PytestCollectionWarning has been fixed (#15821)

Author: dorooleg

ydb/tests/olap/common/thread_helper.py

@@ -2,6 +2,9 @@
 
 
 class TestThread(threading.Thread):
+
+    __test__ = False
+
     def run(self) -> None:
         self.exc = None
         try:
@@ -16,7 +19,10 @@ def join(self, timeout=None):
         return self.ret
 
 
-class TestThreads():
+class TestThreads:
+
+    __test__ = False
+
     def __init__(self):
         self.threads: list[TestThread] = list()
 

ydb/tests/olap/scenario/helpers/scenario_tests_helper.py

@@ -18,6 +18,8 @@ class TestContext:
 
     The class is created by the test execution system and used by {ScenarioTestHelper}."""
 
+    __test__ = False
+
     def __init__(self, suite_name: str, test_name: str, scenario: Callable) -> None:
         """Constructor.
 

ydb/tests/olap/scenario/test_alter_tiering.py

@@ -35,6 +35,9 @@
 
 
 class TestLoop:
+
+    __test__ = False
+
     def __init__(self, duration: datetime.timedelta):
         self._deadline = datetime.datetime.now() + duration