[unittest][test_representation] fix input data

pypushflow/test/test_representation.py

@@ -99,7 +99,7 @@ class TestNodeExecution(unittest.TestCase):
         script = 'pypushflow.test.pythonActorTest.run'
         node = Node(processing_pt=script)
         res = node.execute(node.process_pt, properties={}, input_name='data',
-                           input_data='pythonActorTest')
+                           input_data={'name': 'pythonActorTest'})
         self.assertEqual(res, {'reply': 'Hello pythonActorTest!'})