Move browser_test_runner.LoadAllTestsInModule to serially_executed_browser_test_case

telemetry/examples/browser_tests/simple_sharding_test.py

Index: telemetry/examples/browser_tests/simple_sharding_test.py
diff --git a/telemetry/examples/browser_tests/simple_sharding_test.py b/telemetry/examples/browser_tests/simple_sharding_test.py
index 0a4ea8719f4e7433fd5ae8f8677b1c1d84472575..fdb78a9a53c9ae1ffb5b474e258e6066fad0307a 100644
--- a/telemetry/examples/browser_tests/simple_sharding_test.py
+++ b/telemetry/examples/browser_tests/simple_sharding_test.py
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import sys
+
 from telemetry.testing import serially_executed_browser_test_case
 
 
@@ -25,3 +27,9 @@ class SimpleShardingTest(
 
   def PassingTest(self, a):
     self.assertGreaterEqual(a, 0)
+
+
+def load_tests(loader, tests, pattern):
+  del loader, tests, pattern  # Unused.
+  return serially_executed_browser_test_case.LoadAllTestsInModule(
+      sys.modules[__name__])