better way to disable bazel caching

tools/internal_ci/linux/grpc_asan_on_foundry.sh

@@ -14,6 +14,6 @@
 # limitations under the License.
 
 export UPLOAD_TEST_RESULTS=true
-EXTRA_FLAGS="--copt=-gmlt --strip=never --copt=-fsanitize=address --linkopt=-fsanitize=address --test_timeout=3600 --runs_per_test_detects_flakes --runs_per_test=2"
+EXTRA_FLAGS="--copt=-gmlt --strip=never --copt=-fsanitize=address --linkopt=-fsanitize=address --test_timeout=3600 --cache_test_results=no"
 github/grpc/tools/internal_ci/linux/grpc_bazel_on_foundry_base.sh "${EXTRA_FLAGS}"
 

tools/internal_ci/linux/grpc_bazel_on_foundry_dbg.sh

@@ -14,5 +14,5 @@
 # limitations under the License.
 
 export UPLOAD_TEST_RESULTS=true
-EXTRA_FLAGS="-c dbg --test_timeout=300,450,1200,3600 --runs_per_test_detects_flakes --runs_per_test=2"
+EXTRA_FLAGS="-c dbg --test_timeout=300,450,1200,3600 --cache_test_results=no"
 github/grpc/tools/internal_ci/linux/grpc_bazel_on_foundry_base.sh "${EXTRA_FLAGS}"

tools/internal_ci/linux/grpc_bazel_on_foundry_opt.sh

@@ -14,5 +14,5 @@
 # limitations under the License.
 
 export UPLOAD_TEST_RESULTS=true
-EXTRA_FLAGS="-c opt --test_timeout=300,450,1200,3600 --runs_per_test_detects_flakes --runs_per_test=2"
+EXTRA_FLAGS="-c opt --test_timeout=300,450,1200,3600 --cache_test_results=no"
 github/grpc/tools/internal_ci/linux/grpc_bazel_on_foundry_base.sh "${EXTRA_FLAGS}"

tools/internal_ci/linux/grpc_tsan_on_foundry.sh

@@ -14,5 +14,5 @@
 # limitations under the License.
 
 export UPLOAD_TEST_RESULTS=true
-EXTRA_FLAGS="--copt=-gmlt --strip=never --copt=-fsanitize=thread --linkopt=-fsanitize=thread --test_timeout=3600 --action_env=TSAN_OPTIONS=suppressions=test/core/util/tsan_suppressions.txt:halt_on_error=1:second_deadlock_stack=1  --runs_per_test_detects_flakes --runs_per_test=2"
+EXTRA_FLAGS="--copt=-gmlt --strip=never --copt=-fsanitize=thread --linkopt=-fsanitize=thread --test_timeout=3600 --action_env=TSAN_OPTIONS=suppressions=test/core/util/tsan_suppressions.txt:halt_on_error=1:second_deadlock_stack=1 --cache_test_results=no"
 github/grpc/tools/internal_ci/linux/grpc_bazel_on_foundry_base.sh "${EXTRA_FLAGS}"

tools/internal_ci/linux/grpc_ubsan_on_foundry.sh

@@ -61,8 +61,7 @@ source tools/internal_ci/helper_scripts/prepare_build_linux_rc
   --extra_execution_platforms=//third_party/toolchains:rbe_ubuntu1604 \
   --host_platform=//third_party/toolchains:rbe_ubuntu1604 \
   --platforms=//third_party/toolchains:rbe_ubuntu1604 \
-  --runs_per_test_detects_flakes \
+  --cache_test_results=no \
-  --runs_per_test=2 \
   -- //test/... || FAILED="true"
 
 # Sleep to let ResultStore finish writing results before querying