Also add to observability tests

src/python/grpcio_tests/tests/fork/BUILD.bazel

@@ -19,6 +19,7 @@ pyx_library(
     deps = ["@com_google_absl//absl/debugging:failure_signal_handler"],
     visibility = [
         "//src/python/grpcio_tests/tests_py3_only/interop:__subpackages__",
+        "//src/python/grpcio_tests/tests/observability:__subpackages__",
     ],
 )
 

src/python/grpcio_tests/tests/observability/BUILD.bazel

@@ -42,6 +42,7 @@ py_test(
         "//src/python/grpcio/grpc:grpcio",
         "//src/python/grpcio_observability/grpc_observability:pyobservability",
         "//src/python/grpcio_tests/tests/testing",
+        "//src/python/grpcio_tests/tests/fork:native_debug",
         requirement("opentelemetry-sdk"),
     ],
 )
@@ -57,6 +58,7 @@ py_test(
         "//src/python/grpcio/grpc:grpcio",
         "//src/python/grpcio_observability/grpc_observability:pyobservability",
         "//src/python/grpcio_tests/tests/testing",
+        "//src/python/grpcio_tests/tests/fork:native_debug",
         requirement("protobuf"),
         requirement("opentelemetry-sdk"),
     ],
@@ -73,6 +75,7 @@ py_test(
         "//src/python/grpcio/grpc:grpcio",
         "//src/python/grpcio_csm_observability/grpc_csm_observability:csm_observability",
         "//src/python/grpcio_tests/tests/testing",
+        "//src/python/grpcio_tests/tests/fork:native_debug",
         requirement("protobuf"),
         requirement("opentelemetry-sdk"),
     ],

src/python/grpcio_tests/tests/observability/_csm_observability_plugin_test.py

@@ -43,6 +43,10 @@ from opentelemetry.sdk.metrics.export import MetricsData
 from opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader
 from opentelemetry.sdk.resources import Resource
 
+from src.python.grpcio_tests.tests.fork import native_debug
+
+native_debug.install_failure_signal_handler()
+
 from tests.observability import _test_server
 
 logger = logging.getLogger(__name__)

src/python/grpcio_tests/tests/observability/_observability_plugin_test.py

@@ -33,6 +33,10 @@ from opentelemetry.sdk.metrics.export import MetricExporter
 from opentelemetry.sdk.metrics.export import MetricsData
 from opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader
 
+from src.python.grpcio_tests.tests.fork import native_debug
+
+native_debug.install_failure_signal_handler()
+
 from tests.observability import _test_server
 
 logger = logging.getLogger(__name__)

src/python/grpcio_tests/tests/observability/_open_telemetry_observability_test.py

@@ -36,6 +36,10 @@ from opentelemetry.sdk.metrics.export import MetricExporter
 from opentelemetry.sdk.metrics.export import MetricsData
 from opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader
 
+from src.python.grpcio_tests.tests.fork import native_debug
+
+native_debug.install_failure_signal_handler()
+
 from tests.observability import _test_server
 
 logger = logging.getLogger(__name__)