[WPT Export] Add proper author to exported commits

third_party/WebKit/Tools/Scripts/webkitpy/w3c/local_wpt_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 unittest
 
 from webkitpy.common.host_mock import MockHost
 from webkitpy.common.system.executive_mock import MockExecutive
 from webkitpy.common.system.filesystem_mock import MockFileSystem
 from webkitpy.w3c.local_wpt import LocalWPT
@@ skipping 66 matching lines @@
 
         commit = local_wpt.most_recent_chromium_commit()
         self.assertEqual(commit, (None, None))
 
     def test_create_branch_with_patch(self):
         host = MockHost()
         host.filesystem = MockFileSystem()
 
         local_wpt = LocalWPT(host)
 
-        local_branch_name = local_wpt.create_branch_with_patch('message', 'patch')
+        local_branch_name = local_wpt.create_branch_with_patch('message', 'patch', 'author')
         self.assertEqual(len(host.executive.calls), 10)
         self.assertEqual(local_branch_name, 'chromium-export-try')
-        # TODO(jeffcarp): Add more specific assertions
+        self.assertEqual(host.executive.calls, [
+            ['git', 'clone', 'https://chromium.googlesource.com/external/w3c/web-platform-tests.git', '/tmp/wpt'],
+            ['git', 'reset', '--hard', 'HEAD'],
+            ['git', 'clean', '-fdx'],
+            ['git', 'checkout', 'origin/master'],
+            ['git', 'branch', '-a'],
+            ['git', 'branch', '-a'],
+            ['git', 'checkout', '-b', 'chromium-export-try'],
+            ['git', 'apply', '-'],
+            ['git', 'commit', '--author', 'author', '-am', 'message'],
+            ['git', 'push', 'github', 'chromium-export-try']])