Prepare python code for reftests.

sky/tools/webkitpy/layout_tests/run_webkit_tests_unittest.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 # Copyright (C) 2010 Gabor Rapcsanyi (rgabor@inf.u-szeged.hu), University of Szeged
 # Copyright (C) 2011 Apple Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
@@ skipping 732 matching lines @@
 
     def test_reftest_run(self):
         tests_run = get_tests_run(['passes/reftest.html'])
         self.assertEqual(['passes/reftest.html'], tests_run)
 
     def test_reftest_run_reftests_if_pixel_tests_are_disabled(self):
         tests_run = get_tests_run(['--no-pixel-tests', 'passes/reftest.html'])
         self.assertEqual(['passes/reftest.html'], tests_run)
 
     def test_reftest_expected_html_should_be_ignored(self):
-        tests_run = get_tests_run(['passes/reftest-expected.html'])
+        tests_run = get_tests_run(['passes/reftest-expected.sky'])
         self.assertEqual([], tests_run)
 
     def test_reftest_driver_should_run_expected_html(self):
         tests_run = get_test_results(['passes/reftest.html'])
-        self.assertEqual(tests_run[0].references, ['passes/reftest-expected.html'])
+        self.assertEqual(tests_run[0].references, ['passes/reftest-expected.sky'])
 
     def test_reftest_driver_should_run_expected_mismatch_html(self):
         tests_run = get_test_results(['passes/mismatch.html'])
-        self.assertEqual(tests_run[0].references, ['passes/mismatch-expected-mismatch.html'])
+        self.assertEqual(tests_run[0].references, ['passes/mismatch-expected-mismatch.sky'])
 
     def test_reftest_should_not_use_naming_convention_if_not_listed_in_reftestlist(self):
         host = MockHost()
         _, err, _ = logging_run(['--no-show-results', 'reftests/foo/'], tests_included=True, host=host)
         results = parse_full_results(host.filesystem.read_text_file('/tmp/layout-test-results/full_results.json'))
 
         self.assertEqual(results["tests"]["reftests"]["foo"]["unlistedtest.html"]["actual"], "MISSING"),
         self.assertEqual(results["num_regressions"], 5)
         self.assertEqual(results["num_flaky"], 0)
 
     def test_reftest_crash(self):
         test_results = get_test_results(['failures/unexpected/crash-reftest.html'])
         # The list of references should be empty since the test crashed and we didn't run any references.
         self.assertEqual(test_results[0].references, [])
 
     def test_reftest_with_virtual_reference(self):
         _, err, _ = logging_run(['--details', 'virtual/passes/reftest.html'], tests_included=True)
-        self.assertTrue('ref: virtual/passes/reftest-expected.html' in err.getvalue())
+        self.assertTrue('ref: virtual/passes/reftest-expected.sky' in err.getvalue())
 
     def test_additional_platform_directory(self):
         self.assertTrue(passing_run(['--additional-platform-directory', '/tmp/foo']))
         self.assertTrue(passing_run(['--additional-platform-directory', '/tmp/../foo']))
         self.assertTrue(passing_run(['--additional-platform-directory', '/tmp/foo', '--additional-platform-directory', '/tmp/bar']))
         self.assertTrue(passing_run(['--additional-platform-directory', 'foo']))
 
     def test_additional_expectations(self):
         host = MockHost()
         host.filesystem.write_text_file('/tmp/overrides.txt', 'Bug(x) failures/unexpected/mismatch.html [ ImageOnlyFailure ]\n')
@@ skipping 261 matching lines @@
         stderr = StringIO.StringIO()
         res = run_webkit_tests.main(['--platform', 'test', '--exit-after-n-failures', '1',
                                      'failures/unexpected/missing_text.html',
                                      'failures/unexpected/missing_image.html'],
                                     stdout, stderr)
         self.assertEqual(res, test_run_results.EARLY_EXIT_STATUS)
         self.assertEqual(stdout.getvalue(),
                 ('\n'
                  'Regressions: Unexpected missing results (1)\n'
                  '  failures/unexpected/missing_image.html [ Missing ]\n\n'))