Added gsutil to depot tools

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

Index: third_party/gsutil/boto/tests/mturk/hit_persistence.py
diff --git a/third_party/gsutil/boto/tests/mturk/hit_persistence.py b/third_party/gsutil/boto/tests/mturk/hit_persistence.py
new file mode 100644
index 0000000000000000000000000000000000000000..04ebd0c25b01b8745f2be3bb1c6141ea073418c0
--- /dev/null
+++ b/third_party/gsutil/boto/tests/mturk/hit_persistence.py
@@ -0,0 +1,27 @@
+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()