'Test return values.'

def testReturnVals(self):

    python_code = "magic_return_str    =    'return    string'"
    signed_blob = rdf_crypto.SignedBlob()
    signed_blob.Sign(python_code, self.signing_key)
    request = rdf_client.ExecutePythonRequest(python_code=signed_blob)
    result = self.RunAction(standard.ExecutePython, request)[0]
    self.assertEqual(result.return_val, 'return    string')
