Add unit test for glsl-construct-vec-mat-index's expectations.

content/test/gpu/gpu_tests/gpu_test_base_unittest.py

 # Copyright 2015 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 os
 import unittest
 
 from telemetry import benchmark
-from telemetry.core import discover
 from telemetry.core import exceptions
 from telemetry.core import util
 from telemetry.story import story_set as story_set_module
 from telemetry.testing import fakes
 
 import mock # pylint: disable=import-error
 
 import gpu_test_base
 
-def _GetGpuDir(*subdirs):
-  gpu_dir = os.path.dirname(os.path.dirname(__file__))
-  return os.path.join(gpu_dir, *subdirs)
-
 # Unit tests verifying invariants of classes in GpuTestBase.
 
 #
 # Tests verifying interactions between Telemetry and GpuTestBase.
 #
 
 class FakeValidator(gpu_test_base.ValidatorBase):
   def __init__(self, manager_mock=None):
     super(FakeValidator, self).__init__()
     if manager_mock == None:
@@ skipping 363 matching lines @@
                 mock.call.page2.RunNavigateSteps(mock.ANY),
                 mock.call.validator.WillNavigateToPage(
                   page2, mock.ANY),
                 mock.call.page2.RunNavigateSteps(mock.ANY),
                 mock.call.validator.DidNavigateToPage(
                   page2, mock.ANY),
                 mock.call.page2.RunPageInteractions(mock.ANY),
                 mock.call.validator.ValidateAndMeasurePage(
                   page2, mock.ANY, mock.ANY)]
     self.assertTrue(manager.mock_calls == expected)