Refactor WPT Export to ensure only one PR in flight at a time

third_party/WebKit/Tools/Scripts/webkitpy/w3c/wpt_github_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 base64
 import unittest
 from webkitpy.common.host_mock import MockHost
-from webkitpy.w3c.github import GitHub
+from webkitpy.w3c.wpt_github import WPTGitHub
 
 
-class GitHubEnvTest(unittest.TestCase):
+class WPTGitHubEnvTest(unittest.TestCase):
 
     def setUp(self):
         self.host = MockHost()
 
     def test_requires_env_vars(self):
-        self.assertRaises(AssertionError, lambda: GitHub(self.host))
+        self.assertRaises(AssertionError, lambda: WPTGitHub(self.host))
 
     def test_requires_gh_user_env_var(self):
         self.host.environ['GH_USER'] = 'rutabaga'
-        self.assertRaises(AssertionError, lambda: GitHub(self.host))
+        self.assertRaises(AssertionError, lambda: WPTGitHub(self.host))
 
     def test_requires_gh_token_env_var(self):
         self.host.environ['GH_TOKEN'] = 'deadbeefcafe'
-        self.assertRaises(AssertionError, lambda: GitHub(self.host))
+        self.assertRaises(AssertionError, lambda: WPTGitHub(self.host))
 
 
-class GitHubTest(unittest.TestCase):
+class WPTGitHubTest(unittest.TestCase):
 
     def setUp(self):
         self.host = MockHost()
         self.host.environ['GH_USER'] = 'rutabaga'
         self.host.environ['GH_TOKEN'] = 'deadbeefcafe'
-        self.github = GitHub(self.host)
+        self.wpt_github = WPTGitHub(self.host)
 
     def test_properties(self):
-        self.assertEqual(self.github.user, 'rutabaga')
-        self.assertEqual(self.github.token, 'deadbeefcafe')
+        self.assertEqual(self.wpt_github.user, 'rutabaga')
+        self.assertEqual(self.wpt_github.token, 'deadbeefcafe')
 
     def test_auth_token(self):
         expected = base64.encodestring('rutabaga:deadbeefcafe')
-        self.assertEqual(self.github.auth_token(), expected)
-
-    # TODO(jeffcarp): add create_pr tests
+        self.assertEqual(self.wpt_github.auth_token(), expected)