Move browser_test_runner.LoadAllTestsInModule to serially_executed_browser_test_case

telemetry/examples/browser_tests/simple_numeric_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 string
+import sys
 import time
 
 from telemetry.testing import serially_executed_browser_test_case
 
 
 _prev_test_name = None
 
 class SimpleTest(
     serially_executed_browser_test_case.SeriallyExecutedBrowserTestCase):
 
@@ skipping 50 matching lines @@
 
   def MultiplierTest(self, a, b, partial_sum):
     self.assertEqual(a * b, partial_sum * self.extra)
 
   def TestSimple(self):
     time.sleep(0.5)
     self.assertEqual(1, self.extra)
 
   def TestException(self):
     raise Exception('Expected exception')
+
+
+def load_tests(loader, tests, pattern):
+  del loader, tests, pattern  # Unused.
+  return serially_executed_browser_test_case.LoadAllTestsInModule(
+      sys.modules[__name__])