diff --git a/CMakeLists.txt b/CMakeLists.txt
index c7db2d856ab..d84462bd725 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7397,6 +7397,7 @@ target_include_directories(aws_request_signer_test
 target_link_libraries(aws_request_signer_test
   ${_gRPC_ALLTARGETS_LIBRARIES}
   gtest
+  absl::check
   grpc_test_util
 )
 
@@ -15807,6 +15808,7 @@ target_include_directories(grpc_tls_certificate_distributor_test
 target_link_libraries(grpc_tls_certificate_distributor_test
   ${_gRPC_ALLTARGETS_LIBRARIES}
   gtest
+  absl::check
   grpc_test_util
 )
 
@@ -15858,6 +15860,7 @@ target_include_directories(grpc_tls_certificate_provider_test
 target_link_libraries(grpc_tls_certificate_provider_test
   ${_gRPC_ALLTARGETS_LIBRARIES}
   gtest
+  absl::check
   grpc_test_util
 )
 
@@ -31284,6 +31287,7 @@ target_include_directories(tls_security_connector_test
 target_link_libraries(tls_security_connector_test
   ${_gRPC_ALLTARGETS_LIBRARIES}
   gtest
+  absl::check
   grpc_test_util
 )
 
diff --git a/build_autogenerated.yaml b/build_autogenerated.yaml
index e8e69293969..731c17d651a 100644
--- a/build_autogenerated.yaml
+++ b/build_autogenerated.yaml
@@ -5775,6 +5775,7 @@ targets:
   - test/core/util/tracer_util.cc
   deps:
   - gtest
+  - absl/log:check
   - grpc_test_util
 - name: backend_metrics_lb_policy_test
   gtest: true
@@ -10697,6 +10698,7 @@ targets:
   - test/core/util/tracer_util.cc
   deps:
   - gtest
+  - absl/log:check
   - grpc_test_util
 - name: grpc_tls_certificate_provider_test
   gtest: true
@@ -10727,6 +10729,7 @@ targets:
   - test/core/util/tracer_util.cc
   deps:
   - gtest
+  - absl/log:check
   - grpc_test_util
 - name: grpc_tls_certificate_verifier_test
   gtest: true
@@ -19560,6 +19563,7 @@ targets:
   - test/core/util/tracer_util.cc
   deps:
   - gtest
+  - absl/log:check
   - grpc_test_util
 - name: too_many_pings_test
   gtest: true
diff --git a/test/core/security/BUILD b/test/core/security/BUILD
index 58c2c6d63f5..8c40aa5fc50 100644
--- a/test/core/security/BUILD
+++ b/test/core/security/BUILD
@@ -23,6 +23,7 @@ grpc_fuzzer(
     name = "alts_credentials_fuzzer",
     srcs = ["alts_credentials_fuzzer.cc"],
     corpus = "corpus/alts_credentials_corpus",
+    external_deps = ["absl/log:check"],
     language = "C++",
     tags = ["no_windows"],
     deps = [
@@ -42,6 +43,7 @@ grpc_fuzzer(
         "//src/core/tsi/test_creds:server1.key",
         "//src/core/tsi/test_creds:server1.pem",
     ],
+    external_deps = ["absl/log:check"],
     language = "C++",
     tags = ["no_windows"],
     deps = [
@@ -112,7 +114,10 @@ grpc_cc_test(
 grpc_cc_test(
     name = "aws_request_signer_test",
     srcs = ["aws_request_signer_test.cc"],
-    external_deps = ["gtest"],
+    external_deps = [
+        "absl/log:check",
+        "gtest",
+    ],
     language = "C++",
     deps = [
         "//:gpr",
@@ -250,6 +255,7 @@ grpc_cc_binary(
 grpc_cc_binary(
     name = "fetch_oauth2",
     srcs = ["fetch_oauth2.cc"],
+    external_deps = ["absl/log:check"],
     language = "C++",
     deps = [
         ":oauth2_utils",
@@ -264,6 +270,7 @@ grpc_cc_binary(
 grpc_cc_binary(
     name = "verify_jwt",
     srcs = ["verify_jwt.cc"],
+    external_deps = ["absl/log:check"],
     language = "C++",
     deps = [
         "//:gpr",
@@ -339,6 +346,7 @@ grpc_cc_test(
         "//src/core/tsi/test_creds:server1.pem",
     ],
     external_deps = [
+        "absl/log:check",
         "gtest",
     ],
     language = "C++",
@@ -389,7 +397,10 @@ grpc_cc_test(
 grpc_cc_test(
     name = "grpc_tls_certificate_distributor_test",
     srcs = ["grpc_tls_certificate_distributor_test.cc"],
-    external_deps = ["gtest"],
+    external_deps = [
+        "absl/log:check",
+        "gtest",
+    ],
     language = "C++",
     deps = [
         "//:gpr",
@@ -412,7 +423,10 @@ grpc_cc_test(
         "//src/core/tsi/test_creds:server1.key",
         "//src/core/tsi/test_creds:server1.pem",
     ],
-    external_deps = ["gtest"],
+    external_deps = [
+        "absl/log:check",
+        "gtest",
+    ],
     language = "C++",
     deps = [
         "//:gpr",
diff --git a/test/core/security/alts_credentials_fuzzer.cc b/test/core/security/alts_credentials_fuzzer.cc
index 1d47a506061..a145ee0f0b0 100644
--- a/test/core/security/alts_credentials_fuzzer.cc
+++ b/test/core/security/alts_credentials_fuzzer.cc
@@ -18,6 +18,8 @@
 
 #include <string.h>
 
+#include "absl/log/check.h"
+
 #include <grpc/credentials.h>
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
@@ -82,9 +84,9 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
       grpc_channel_credentials* cred = grpc_alts_credentials_create_customized(
           options, handshaker_service_url, enable_untrusted_alts);
       if (!enable_untrusted_alts && !is_on_gcp) {
-        GPR_ASSERT(cred == nullptr);
+        CHECK_EQ(cred, nullptr);
       } else {
-        GPR_ASSERT(cred != nullptr);
+        CHECK_NE(cred, nullptr);
       }
       grpc_channel_credentials_release(cred);
       grpc_alts_credentials_options_destroy(options);
@@ -96,9 +98,9 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
           grpc_alts_server_credentials_create_customized(
               options, handshaker_service_url, enable_untrusted_alts);
       if (!enable_untrusted_alts && !is_on_gcp) {
-        GPR_ASSERT(cred == nullptr);
+        CHECK_EQ(cred, nullptr);
       } else {
-        GPR_ASSERT(cred != nullptr);
+        CHECK_NE(cred, nullptr);
       }
       grpc_server_credentials_release(cred);
       grpc_alts_credentials_options_destroy(options);
diff --git a/test/core/security/aws_request_signer_test.cc b/test/core/security/aws_request_signer_test.cc
index 94f535d3b2d..c877fd5ae47 100644
--- a/test/core/security/aws_request_signer_test.cc
+++ b/test/core/security/aws_request_signer_test.cc
@@ -18,6 +18,8 @@
 
 #include <gmock/gmock.h>
 
+#include "absl/log/check.h"
+
 #include <grpc/grpc_security.h>
 
 #include "test/core/util/test_config.h"
@@ -247,9 +249,8 @@ TEST(GrpcAwsRequestSignerTest, InvalidUrl) {
                                      "token", "POST", "invalid_url",
                                      "us-east-1", "", {}, &error);
   std::string actual_error_description;
-  GPR_ASSERT(grpc_error_get_str(error,
-                                grpc_core::StatusStrProperty::kDescription,
-                                &actual_error_description));
+  CHECK(grpc_error_get_str(error, grpc_core::StatusStrProperty::kDescription,
+                           &actual_error_description));
   EXPECT_EQ(actual_error_description, "Invalid Aws request url.");
 }
 
@@ -260,9 +261,8 @@ TEST(GrpcAwsRequestSignerTest, DuplicateRequestDate) {
       "us-east-1", "", {{"date", kBotoTestDate}, {"x-amz-date", kAmzTestDate}},
       &error);
   std::string actual_error_description;
-  GPR_ASSERT(grpc_error_get_str(error,
-                                grpc_core::StatusStrProperty::kDescription,
-                                &actual_error_description));
+  CHECK(grpc_error_get_str(error, grpc_core::StatusStrProperty::kDescription,
+                           &actual_error_description));
   EXPECT_EQ(actual_error_description,
             "Only one of {date, x-amz-date} can be specified, not both.");
 }
diff --git a/test/core/security/fetch_oauth2.cc b/test/core/security/fetch_oauth2.cc
index c60c85bbf7f..8dd9c9731ad 100644
--- a/test/core/security/fetch_oauth2.cc
+++ b/test/core/security/fetch_oauth2.cc
@@ -19,6 +19,8 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "absl/log/check.h"
+
 #include <grpc/credentials.h>
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
@@ -137,7 +139,7 @@ int main(int argc, char** argv) {
         "Missing --gce, --json_sts_options, or --json_refresh_token option.");
     exit(1);
   }
-  GPR_ASSERT(creds != nullptr);
+  CHECK_NE(creds, nullptr);
 
   token = grpc_test_fetch_oauth2_token_with_credentials(creds);
   if (token != nullptr) {
diff --git a/test/core/security/grpc_tls_certificate_distributor_test.cc b/test/core/security/grpc_tls_certificate_distributor_test.cc
index 8fa6187eaf9..4b4259e9191 100644
--- a/test/core/security/grpc_tls_certificate_distributor_test.cc
+++ b/test/core/security/grpc_tls_certificate_distributor_test.cc
@@ -24,6 +24,8 @@
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
+#include "absl/log/check.h"
+
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
@@ -133,17 +135,17 @@ class GrpcTlsCertificateDistributorTest : public ::testing::Test {
 
     void OnError(grpc_error_handle root_cert_error,
                  grpc_error_handle identity_cert_error) override {
-      GPR_ASSERT(!root_cert_error.ok() || !identity_cert_error.ok());
+      CHECK(!root_cert_error.ok() || !identity_cert_error.ok());
       std::string root_error_str;
       std::string identity_error_str;
       if (!root_cert_error.ok()) {
-        GPR_ASSERT(grpc_error_get_str(
+        CHECK(grpc_error_get_str(
             root_cert_error, StatusStrProperty::kDescription, &root_error_str));
       }
       if (!identity_cert_error.ok()) {
-        GPR_ASSERT(grpc_error_get_str(identity_cert_error,
-                                      StatusStrProperty::kDescription,
-                                      &identity_error_str));
+        CHECK(grpc_error_get_str(identity_cert_error,
+                                 StatusStrProperty::kDescription,
+                                 &identity_error_str));
       }
       state_->error_queue.emplace_back(std::move(root_error_str),
                                        std::move(identity_error_str));
diff --git a/test/core/security/grpc_tls_certificate_provider_test.cc b/test/core/security/grpc_tls_certificate_provider_test.cc
index 29e9ca0960d..af5491a48e4 100644
--- a/test/core/security/grpc_tls_certificate_provider_test.cc
+++ b/test/core/security/grpc_tls_certificate_provider_test.cc
@@ -22,6 +22,8 @@
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
+#include "absl/log/check.h"
+
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
@@ -134,17 +136,17 @@ class GrpcTlsCertificateProviderTest : public ::testing::Test {
     void OnError(grpc_error_handle root_cert_error,
                  grpc_error_handle identity_cert_error) override {
       MutexLock lock(&state_->mu);
-      GPR_ASSERT(!root_cert_error.ok() || !identity_cert_error.ok());
+      CHECK(!root_cert_error.ok() || !identity_cert_error.ok());
       std::string root_error_str;
       std::string identity_error_str;
       if (!root_cert_error.ok()) {
-        GPR_ASSERT(grpc_error_get_str(
+        CHECK(grpc_error_get_str(
             root_cert_error, StatusStrProperty::kDescription, &root_error_str));
       }
       if (!identity_cert_error.ok()) {
-        GPR_ASSERT(grpc_error_get_str(identity_cert_error,
-                                      StatusStrProperty::kDescription,
-                                      &identity_error_str));
+        CHECK(grpc_error_get_str(identity_cert_error,
+                                 StatusStrProperty::kDescription,
+                                 &identity_error_str));
       }
       state_->error_queue.emplace_back(std::move(root_error_str),
                                        std::move(identity_error_str));
diff --git a/test/core/security/print_google_default_creds_token.cc b/test/core/security/print_google_default_creds_token.cc
index 66ea4a904c0..134d3e57d45 100644
--- a/test/core/security/print_google_default_creds_token.cc
+++ b/test/core/security/print_google_default_creds_token.cc
@@ -19,6 +19,8 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "absl/log/check.h"
+
 #include <grpc/credentials.h>
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
@@ -51,7 +53,7 @@ static void on_metadata_response(void* arg, grpc_error_handle error) {
     fflush(stderr);
   } else {
     char* token;
-    GPR_ASSERT(sync->md_array.size == 1);
+    CHECK_EQ(sync->md_array.size, 1u);
     token = grpc_slice_to_c_string(GRPC_MDVALUE(sync->md_array.md[0]));
     printf("\nGot token: %s\n\n", token);
     gpr_free(token);
diff --git a/test/core/security/ssl_server_fuzzer.cc b/test/core/security/ssl_server_fuzzer.cc
index e657550f376..ea4e82123e6 100644
--- a/test/core/security/ssl_server_fuzzer.cc
+++ b/test/core/security/ssl_server_fuzzer.cc
@@ -15,6 +15,7 @@
 // limitations under the License.
 //
 //
+#include "absl/log/check.h"
 
 #include <grpc/credentials.h>
 #include <grpc/event_engine/event_engine.h>
@@ -54,10 +55,10 @@ static void on_handshake_done(void* arg, grpc_error_handle error) {
       static_cast<grpc_core::HandshakerArgs*>(arg);
   struct handshake_state* state =
       static_cast<struct handshake_state*>(args->user_data);
-  GPR_ASSERT(state->done_callback_called == false);
+  CHECK(state->done_callback_called == false);
   state->done_callback_called = true;
   // The fuzzer should not pass the handshake.
-  GPR_ASSERT(!error.ok());
+  CHECK(!error.ok());
 }
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
@@ -86,7 +87,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     // Create security connector
     grpc_core::RefCountedPtr<grpc_server_security_connector> sc =
         creds->create_security_connector(grpc_core::ChannelArgs());
-    GPR_ASSERT(sc != nullptr);
+    CHECK(sc != nullptr);
     grpc_core::Timestamp deadline =
         grpc_core::Duration::Seconds(1) + grpc_core::Timestamp::Now();
 
@@ -110,7 +111,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
                              GRPC_ERROR_CREATE("Explicit close"));
       grpc_core::ExecCtx::Get()->Flush();
     }
-    GPR_ASSERT(state.done_callback_called);
+    CHECK(state.done_callback_called);
 
     sc.reset(DEBUG_LOCATION, "test");
     grpc_server_credentials_release(creds);
diff --git a/test/core/security/tls_security_connector_test.cc b/test/core/security/tls_security_connector_test.cc
index 264eb8103db..41ca123eba0 100644
--- a/test/core/security/tls_security_connector_test.cc
+++ b/test/core/security/tls_security_connector_test.cc
@@ -24,6 +24,8 @@
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
+#include "absl/log/check.h"
+
 #include <grpc/credentials.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -82,7 +84,7 @@ class TlsSecurityConnectorTest : public ::testing::Test {
 
   static std::string GetErrorMsg(grpc_error_handle error) {
     std::string error_str;
-    GPR_ASSERT(
+    CHECK(
         grpc_error_get_str(error, StatusStrProperty::kDescription, &error_str));
     return error_str;
   }
@@ -368,13 +370,13 @@ TEST_F(TlsSecurityConnectorTest,
   EXPECT_NE(tls_connector->ClientHandshakerFactoryForTesting(), nullptr);
   // Construct a basic TSI Peer.
   tsi_peer peer;
-  GPR_ASSERT(tsi_construct_peer(2, &peer) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL,
-                                                "h2", strlen("h2"),
-                                                &peer.properties[0]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
-                 &peer.properties[1]) == TSI_OK);
+  CHECK(tsi_construct_peer(2, &peer) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL, "h2",
+                                           strlen("h2"),
+                                           &peer.properties[0]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
+            &peer.properties[1]) == TSI_OK);
   RefCountedPtr<grpc_auth_context> auth_context;
   ExecCtx exec_ctx;
   grpc_closure* on_peer_checked = GRPC_CLOSURE_CREATE(
@@ -404,13 +406,13 @@ TEST_F(TlsSecurityConnectorTest,
   EXPECT_NE(tls_connector->ClientHandshakerFactoryForTesting(), nullptr);
   // Construct a basic TSI Peer.
   tsi_peer peer;
-  GPR_ASSERT(tsi_construct_peer(2, &peer) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL,
-                                                "h2", strlen("h2"),
-                                                &peer.properties[0]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
-                 &peer.properties[1]) == TSI_OK);
+  CHECK(tsi_construct_peer(2, &peer) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL, "h2",
+                                           strlen("h2"),
+                                           &peer.properties[0]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
+            &peer.properties[1]) == TSI_OK);
   RefCountedPtr<grpc_auth_context> auth_context;
   const char* expected_error_msg =
       "Custom verification check failed with error: UNAUTHENTICATED: "
@@ -557,13 +559,13 @@ TEST_F(TlsSecurityConnectorTest,
   EXPECT_NE(tls_connector->ClientHandshakerFactoryForTesting(), nullptr);
   // Construct a basic TSI Peer.
   tsi_peer peer;
-  GPR_ASSERT(tsi_construct_peer(2, &peer) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL,
-                                                "h2", strlen("h2"),
-                                                &peer.properties[0]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
-                 &peer.properties[1]) == TSI_OK);
+  CHECK(tsi_construct_peer(2, &peer) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL, "h2",
+                                           strlen("h2"),
+                                           &peer.properties[0]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
+            &peer.properties[1]) == TSI_OK);
   RefCountedPtr<grpc_auth_context> auth_context;
   ExecCtx exec_ctx;
   grpc_closure* on_peer_checked = GRPC_CLOSURE_CREATE(
@@ -593,13 +595,13 @@ TEST_F(TlsSecurityConnectorTest,
   EXPECT_NE(tls_connector->ClientHandshakerFactoryForTesting(), nullptr);
   // Construct a basic TSI Peer.
   tsi_peer peer;
-  GPR_ASSERT(tsi_construct_peer(2, &peer) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL,
-                                                "h2", strlen("h2"),
-                                                &peer.properties[0]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
-                 &peer.properties[1]) == TSI_OK);
+  CHECK(tsi_construct_peer(2, &peer) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL, "h2",
+                                           strlen("h2"),
+                                           &peer.properties[0]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
+            &peer.properties[1]) == TSI_OK);
   RefCountedPtr<grpc_auth_context> auth_context;
   const char* expected_error_msg =
       "Custom verification check failed with error: UNAUTHENTICATED: "
@@ -631,29 +633,29 @@ TEST_F(TlsSecurityConnectorTest,
   EXPECT_NE(tls_connector->ClientHandshakerFactoryForTesting(), nullptr);
   // Construct a full TSI Peer.
   tsi_peer peer;
-  GPR_ASSERT(tsi_construct_peer(7, &peer) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL,
-                                                "h2", strlen("h2"),
-                                                &peer.properties[0]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
-                 &peer.properties[1]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_PEM_CERT_PROPERTY, "pem_cert", &peer.properties[2]) ==
-             TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_SECURITY_LEVEL_PEER_PROPERTY,
-                 tsi_security_level_to_string(TSI_PRIVACY_AND_INTEGRITY),
-                 &peer.properties[3]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_PEM_CERT_CHAIN_PROPERTY, "pem_cert_chain",
-                 &peer.properties[4]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, "foo.bar.com",
-                 &peer.properties[5]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, "foo.baz.com",
-                 &peer.properties[6]) == TSI_OK);
+  CHECK(tsi_construct_peer(7, &peer) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL, "h2",
+                                           strlen("h2"),
+                                           &peer.properties[0]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
+            &peer.properties[1]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_PEM_CERT_PROPERTY, "pem_cert", &peer.properties[2]) ==
+        TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_SECURITY_LEVEL_PEER_PROPERTY,
+            tsi_security_level_to_string(TSI_PRIVACY_AND_INTEGRITY),
+            &peer.properties[3]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_PEM_CERT_CHAIN_PROPERTY, "pem_cert_chain",
+            &peer.properties[4]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, "foo.bar.com",
+            &peer.properties[5]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, "foo.baz.com",
+            &peer.properties[6]) == TSI_OK);
   RefCountedPtr<grpc_auth_context> auth_context;
   ExecCtx exec_ctx;
   grpc_closure* on_peer_checked = GRPC_CLOSURE_CREATE(
@@ -679,29 +681,29 @@ TEST_F(TlsSecurityConnectorTest,
   EXPECT_NE(tls_connector->ClientHandshakerFactoryForTesting(), nullptr);
   // Construct a full TSI Peer.
   tsi_peer peer;
-  GPR_ASSERT(tsi_construct_peer(7, &peer) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL,
-                                                "h2", strlen("h2"),
-                                                &peer.properties[0]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.com",
-                 &peer.properties[1]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_PEM_CERT_PROPERTY, "pem_cert", &peer.properties[2]) ==
-             TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_SECURITY_LEVEL_PEER_PROPERTY,
-                 tsi_security_level_to_string(TSI_PRIVACY_AND_INTEGRITY),
-                 &peer.properties[3]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_PEM_CERT_CHAIN_PROPERTY, "pem_cert_chain",
-                 &peer.properties[4]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, "*.com",
-                 &peer.properties[5]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, "foo.baz.com",
-                 &peer.properties[6]) == TSI_OK);
+  CHECK(tsi_construct_peer(7, &peer) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL, "h2",
+                                           strlen("h2"),
+                                           &peer.properties[0]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.com",
+            &peer.properties[1]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_PEM_CERT_PROPERTY, "pem_cert", &peer.properties[2]) ==
+        TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_SECURITY_LEVEL_PEER_PROPERTY,
+            tsi_security_level_to_string(TSI_PRIVACY_AND_INTEGRITY),
+            &peer.properties[3]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_PEM_CERT_CHAIN_PROPERTY, "pem_cert_chain",
+            &peer.properties[4]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, "*.com",
+            &peer.properties[5]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_ALTERNATIVE_NAME_PEER_PROPERTY, "foo.baz.com",
+            &peer.properties[6]) == TSI_OK);
   RefCountedPtr<grpc_auth_context> auth_context;
   const char* expected_error_msg =
       "Custom verification check failed with error: UNAUTHENTICATED: Hostname "
@@ -988,13 +990,13 @@ TEST_F(TlsSecurityConnectorTest,
   auto connector = credentials->create_security_connector(ChannelArgs());
   // Construct a basic TSI Peer.
   tsi_peer peer;
-  GPR_ASSERT(tsi_construct_peer(2, &peer) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL,
-                                                "h2", strlen("h2"),
-                                                &peer.properties[0]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
-                 &peer.properties[1]) == TSI_OK);
+  CHECK(tsi_construct_peer(2, &peer) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL, "h2",
+                                           strlen("h2"),
+                                           &peer.properties[0]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
+            &peer.properties[1]) == TSI_OK);
   RefCountedPtr<grpc_auth_context> auth_context;
   ExecCtx exec_ctx;
   grpc_closure* on_peer_checked = GRPC_CLOSURE_CREATE(
@@ -1019,13 +1021,13 @@ TEST_F(TlsSecurityConnectorTest,
   auto connector = credentials->create_security_connector(ChannelArgs());
   // Construct a basic TSI Peer.
   tsi_peer peer;
-  GPR_ASSERT(tsi_construct_peer(2, &peer) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL,
-                                                "h2", strlen("h2"),
-                                                &peer.properties[0]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
-                 &peer.properties[1]) == TSI_OK);
+  CHECK(tsi_construct_peer(2, &peer) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL, "h2",
+                                           strlen("h2"),
+                                           &peer.properties[0]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
+            &peer.properties[1]) == TSI_OK);
   RefCountedPtr<grpc_auth_context> auth_context;
   const char* expected_error_msg =
       "Custom verification check failed with error: UNAUTHENTICATED: "
@@ -1054,13 +1056,13 @@ TEST_F(TlsSecurityConnectorTest,
   auto connector = credentials->create_security_connector(ChannelArgs());
   // Construct a basic TSI Peer.
   tsi_peer peer;
-  GPR_ASSERT(tsi_construct_peer(2, &peer) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL,
-                                                "h2", strlen("h2"),
-                                                &peer.properties[0]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
-                 &peer.properties[1]) == TSI_OK);
+  CHECK(tsi_construct_peer(2, &peer) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL, "h2",
+                                           strlen("h2"),
+                                           &peer.properties[0]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
+            &peer.properties[1]) == TSI_OK);
   RefCountedPtr<grpc_auth_context> auth_context;
   ExecCtx exec_ctx;
   grpc_closure* on_peer_checked = GRPC_CLOSURE_CREATE(
@@ -1087,13 +1089,13 @@ TEST_F(TlsSecurityConnectorTest,
   auto connector = credentials->create_security_connector(ChannelArgs());
   // Construct a basic TSI Peer.
   tsi_peer peer;
-  GPR_ASSERT(tsi_construct_peer(2, &peer) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL,
-                                                "h2", strlen("h2"),
-                                                &peer.properties[0]) == TSI_OK);
-  GPR_ASSERT(tsi_construct_string_peer_property_from_cstring(
-                 TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
-                 &peer.properties[1]) == TSI_OK);
+  CHECK(tsi_construct_peer(2, &peer) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property(TSI_SSL_ALPN_SELECTED_PROTOCOL, "h2",
+                                           strlen("h2"),
+                                           &peer.properties[0]) == TSI_OK);
+  CHECK(tsi_construct_string_peer_property_from_cstring(
+            TSI_X509_SUBJECT_COMMON_NAME_PEER_PROPERTY, "foo.bar.com",
+            &peer.properties[1]) == TSI_OK);
   RefCountedPtr<grpc_auth_context> auth_context;
   const char* expected_error_msg =
       "Custom verification check failed with error: UNAUTHENTICATED: "
diff --git a/test/core/security/verify_jwt.cc b/test/core/security/verify_jwt.cc
index 9b64fc8e124..c9178d230f1 100644
--- a/test/core/security/verify_jwt.cc
+++ b/test/core/security/verify_jwt.cc
@@ -19,6 +19,8 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "absl/log/check.h"
+
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/slice.h>
@@ -55,13 +57,13 @@ static void on_jwt_verification_done(void* user_data,
 
   sync->success = (status == GRPC_JWT_VERIFIER_OK);
   if (sync->success) {
-    GPR_ASSERT(claims != nullptr);
+    CHECK_NE(claims, nullptr);
     std::string claims_str =
         grpc_core::JsonDump(*grpc_jwt_claims_json(claims), /*indent=*/2);
     printf("Claims: \n\n%s\n", claims_str.c_str());
     grpc_jwt_claims_destroy(claims);
   } else {
-    GPR_ASSERT(claims == nullptr);
+    CHECK_EQ(claims, nullptr);
     fprintf(stderr, "Verification failed with error %s\n",
             grpc_jwt_verifier_status_to_string(status));
     fflush(stderr);