Add typ boilerplate to Telemetry-based GPU tests.

content/test/gpu/gpu_tests/gpu_integration_test.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import logging
 
 from telemetry.testing import serially_executed_browser_test_case
 from telemetry.util import screenshot
 
 from gpu_tests import exception_formatter
@@ skipping 176 matching lines @@
       cls.tab = cls.browser.tabs[0]
     except Exception:
       # restart the browser to make sure a failure in a test doesn't
       # propagate to the next test iteration.
       logging.exception("Failure during browser startup")
       cls._RestartBrowser('failure in setup')
       raise
 
   def setUp(self):
     self._EnsureTabIsAvailable()
+
+def LoadAllTestsInModule(module):
+  # Just delegates to serially_executed_browser_test_case to reduce the
+  # number of imports in other files.
+  return serially_executed_browser_test_case.LoadAllTestsInModule(module)