When importing wpt tests, add skip expectations for tests with missing results.

third_party/WebKit/Tools/Scripts/webkitpy/w3c/wpt_expectations_updater_unittest.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 copy
 import json
 
 from webkitpy.common.host_mock import MockHost
 from webkitpy.common.net.buildbot import Build
 from webkitpy.common.net.buildbot_mock import MockBuildBot
@@ skipping 167 matching lines @@
             {'Pass', 'Failure'})
         self.assertEqual(
             updater.get_expectations({'expected': 'PASS', 'actual': 'TIMEOUT CRASH TEXT'}),
             {'Crash', 'Failure', 'Timeout'})
         self.assertEqual(
             updater.get_expectations({'expected': 'SLOW CRASH FAIL TIMEOUT', 'actual': 'PASS'}),
             {'Pass'})
         self.assertEqual(
             updater.get_expectations({'expected': 'Pass', 'actual': 'IMAGE+TEXT IMAGE IMAGE'}),
             {'Failure'})
+        self.assertEqual(
+            updater.get_expectations({'expected': 'Pass', 'actual': 'MISSING'}),
+            {'Skip'})
+        self.assertEqual(
+            updater.get_expectations({'expected': 'Pass', 'actual': 'TIMEOUT'}, test_name='foo/bar-manual.html'),
+            {'Skip'})
 
     def test_create_line_list_old_tests(self):
         # In this example, there are two failures that are not in w3c tests.
         updater = WPTExpectationsUpdater(self.mock_host())
         results = {
             'fake/test/path.html': {
                 'one': {'expected': 'FAIL', 'actual': 'PASS', 'bug': 'crbug.com/test'},
                 'two': {'expected': 'FAIL', 'actual': 'PASS', 'bug': 'crbug.com/test'},
             }
         }
@@ skipping 304 matching lines @@
                     'test-win-win7',
                     'test-win-win10',
                 ): {'expected': 'PASS', 'actual': 'MISSING', 'bug': 'crbug.com/test'}
             }
         }
         tests_to_rebaseline, _ = updater.get_tests_to_rebaseline(results)
         self.assertEqual(tests_to_rebaseline, [])
         self.assertEqual(
             updater.create_line_list(results),
             ['crbug.com/test external/wpt/x-manual.html [ Skip ]'])