Add typ boilerplate to Telemetry-based GPU tests.

content/test/gpu/gpu_tests/trace_integration_test.py

Index: content/test/gpu/gpu_tests/trace_integration_test.py
diff --git a/content/test/gpu/gpu_tests/trace_integration_test.py b/content/test/gpu/gpu_tests/trace_integration_test.py
index 98ae4033ddc524ce1ddc8d95f5f6d8396596470a..071d427f77bce8e73eb2356db2188898d046ef50 100644
--- a/content/test/gpu/gpu_tests/trace_integration_test.py
+++ b/content/test/gpu/gpu_tests/trace_integration_test.py
@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 import os
+import sys
 
 from gpu_tests import gpu_integration_test
 from gpu_tests import path_util
@@ -126,3 +127,7 @@ class TraceIntegrationTest(gpu_integration_test.GpuIntegrationTest):
     cls.SetBrowserOptions(cls._finder_options)
     cls.StartBrowser()
     cls.SetStaticServerDirs([data_path])
+
+def load_tests(loader, tests, pattern):
+  del loader, tests, pattern  # Unused.
+  return gpu_integration_test.LoadAllTestsInModule(sys.modules[__name__])