[WPT Export] Fix cwd on run_command calls in ChromiumCommit

third_party/WebKit/Tools/Scripts/webkitpy/w3c/local_wpt_unittest.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/w3c/local_wpt_unittest.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/w3c/local_wpt_unittest.py b/third_party/WebKit/Tools/Scripts/webkitpy/w3c/local_wpt_unittest.py
index 1c5c9d266e1ea7881c83787b9d5c02caa709d002..58e3e9aef58b6daa42ddf3c7c8bf875e6a8bd6c1 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/w3c/local_wpt_unittest.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/w3c/local_wpt_unittest.py
@@ -8,6 +8,7 @@ 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
+from webkitpy.w3c.common_unittest import mock_command_exec_strict
 
 
 class LocalWPTTest(unittest.TestCase):
@@ -39,7 +40,6 @@ class LocalWPTTest(unittest.TestCase):
         self.assertEqual(host.executive.calls[0][1], 'clone')
 
     def test_constructor(self):
-        #
         host = MockHost()
         LocalWPT(host)
         self.assertEqual(len(host.executive.calls), 0)
@@ -53,19 +53,18 @@ class LocalWPTTest(unittest.TestCase):
 
     def test_last_wpt_exported_commit(self):
         host = MockHost()
-        return_vals = [
-            'deadbeefcafe',
-            '123',
-            '9ea4fc353a4b1c11c6e524270b11baa4d1ddfde8',
-        ]
-        host.executive = MockExecutive(run_command_fn=lambda _: return_vals.pop())
+        host.executive = mock_command_exec_strict({
+            'rev-list': '9ea4fc353a4b1c11c6e524270b11baa4d1ddfde8',
+            'footers': 'Cr-Commit-Position: 123',
+            'crrev-parse': 'add087a97844f4b9e307d9a216940582d96db306',
+        })
         host.filesystem = MockFileSystem()
         local_wpt = LocalWPT(host)
 
         wpt_sha, chromium_commit = local_wpt.most_recent_chromium_commit()
         self.assertEqual(wpt_sha, '9ea4fc353a4b1c11c6e524270b11baa4d1ddfde8')
         self.assertEqual(chromium_commit.position, '123')
-        self.assertEqual(chromium_commit.sha, 'deadbeefcafe')
+        self.assertEqual(chromium_commit.sha, 'add087a97844f4b9e307d9a216940582d96db306')
 
     def test_last_wpt_exported_commit_not_found(self):
         host = MockHost()