Update test.py

#53

Author: diskovod

test.py

@@ -72,7 +72,7 @@ def test_get_with_id_filter(self):
 
     def test_post_with_no_param(self):
         result = self.client.sender.create(data={}).json()
-        self.assertTrue('StatusCode' in result and result['StatusCode'] is not 400)
+        self.assertTrue('StatusCode' in result and result['StatusCode'] == 400)
 
     def test_client_custom_version(self):
         self.client = Client(