Extend python run_tests_matrix timeout from 3600s to 7200s

Author: XuanWang-Amos

tools/internal_ci/windows/pull_request/grpc_basictests_python.cfg

@@ -26,5 +26,5 @@ action {
 
 env_vars {
   key: "RUN_TESTS_FLAGS"
-  value: "-f basictests windows python -j 1 --inner_jobs 8 --max_time=5400"
+  value: "-f basictests windows python -j 1 --inner_jobs 8 --max_time=7200"
 }

tools/run_tests/run_tests_matrix.py

@@ -33,6 +33,9 @@
 # C/C++ tests can take long time
 _CPP_RUNTESTS_TIMEOUT = 6 * 60 * 60
 
+# Python tests can take long time
+_PYTHON_RUNTESTS_TIMEOUT = 2 * 60 * 60
+
 # Set timeout high for ObjC for Cocoapods to install pods
 _OBJC_RUNTESTS_TIMEOUT = 4 * 60 * 60
 
@@ -278,6 +281,7 @@ def _create_test_jobs(extra_args=[], inner_jobs=_DEFAULT_INNER_JOBS):
         labels=["basictests", "multilang"],
         extra_args=extra_args + ["--report_multi_target"],
         inner_jobs=inner_jobs,
+        timeout_seconds=_PYTHON_RUNTESTS_TIMEOUT,
     )
 
     # ARM64 Linux Python tests