Check get request body is none

Author: fatimarahman

tests/test_cloudlibrary_client.py

@@ -121,6 +121,7 @@ def test_get_request_success(self, test_instance, requests_mock):
         assert response.text == _TEST_LIBRARY_EVENTS_RESPONSE
         assert requests_mock.request_history[0].method == "GET"
         assert requests_mock.request_history[0].url == url
+        assert requests_mock.request_history[0].body is None
         assert expected_headers.items() <= dict(
             requests_mock.request_history[0].headers).items()