Added tests counter

ydb/tests/fq/s3/conftest.py

@@ -25,6 +25,7 @@
 
 MOTO_SERVER_PATH = "contrib/python/moto/bin/moto_server"
 S3_PID_FILE = "s3.pid"
+TESTS_COUNT_LIMIT = 40
 
 
 @pytest.fixture(scope="module")
@@ -122,7 +123,10 @@ def kikimr(yq_version: str, kikimr_yqv1, kikimr_yqv2):
 
 
 @pytest.fixture
-def client(kikimr, request=None):
+def client(request: pytest.FixtureRequest, kikimr):
+    client.number_tests += 1
+    assert client.number_tests <= TESTS_COUNT_LIMIT, f"Number tests in one class {request.cls} exceeded limit in {TESTS_COUNT_LIMIT} tests, this may lead timeouts on CI, please split this class"
+
     client = FederatedQueryClient(request.param["folder_id"]
                                   if request is not None
                                   else "my_folder",
@@ -132,6 +136,8 @@ def client(kikimr, request=None):
     kikimr.control_plane.ensure_is_alive()
     kikimr.compute_plane.ensure_is_alive()
 
+client.number_tests = 0
+
 
 @pytest.fixture
 def unique_prefix(request: pytest.FixtureRequest):

ydb/tests/fq/s3/ya.make

@@ -1,6 +1,7 @@
 PY3TEST()
 
 FORK_TEST_FILES()
+FORK_TESTS()
 
 INCLUDE(${ARCADIA_ROOT}/ydb/tests/tools/fq_runner/ydb_runner_with_datastreams.inc)