Added gsutil to depot tools

third_party/gsutil/boto/tests/mturk/hit_persistence.py

+import unittest
+import pickle
+
+from common import MTurkCommon
+
+class TestHITPersistence(MTurkCommon):
+        def create_hit_result(self):
+                return self.conn.create_hit(
+                        question=self.get_question(), **self.get_hit_params()
+                        )
+
+        def test_pickle_hit_result(self):
+                result = self.create_hit_result()
+                new_result = pickle.loads(pickle.dumps(result))
+
+        def test_pickle_deserialized_version(self):
+                """
+                It seems the technique used to store and reload the object must
+                result in an equivalent object, or subsequent pickles may fail.
+                This tests a double-pickle to elicit that error.
+                """
+                result = self.create_hit_result()
+                new_result = pickle.loads(pickle.dumps(result))
+                pickle.dumps(new_result)
+
+if __name__ == '__main__':
+        unittest.main()