Make chromedriver test suites compatible with python2.7

chrome/test/webdriver/test/py_unittest_util.py

Index: chrome/test/webdriver/test/py_unittest_util.py
diff --git a/chrome/test/webdriver/test/py_unittest_util.py b/chrome/test/webdriver/test/py_unittest_util.py
index d650c781299771bf89c2b7e028d3a502e66b334b..dba07d786fd15749029169a6a4472b8212a1b7c0 100644
--- a/chrome/test/webdriver/test/py_unittest_util.py
+++ b/chrome/test/webdriver/test/py_unittest_util.py
@@ -29,7 +29,9 @@ class _GTestTextTestResult(unittest._TextTestResult):
     if sys.version_info[:2] <= (2, 4):
       return '%s.%s' % (unittest._strclass(test.__class__),
                         test._TestCase__testMethodName)
-    return '%s.%s' % (unittest._strclass(test.__class__), test._testMethodName)
+    return '%s.%s.%s' % (test.__class__.__module__,
+                         test.__class__.__name__,
+                         test._testMethodName)
 
   def getDescription(self, test):
     return '%s: "%s"' % (self._GetTestURI(test), test.shortDescription())