test case for retry runtime error

Author: ketan96-m

tests/test_servicex_adapter.py

@@ -199,8 +199,15 @@ async def test_get_transform_status_auth_error(get, servicex):
 
 
 @pytest.mark.asyncio
-async def test_get_tranform_status_retry_error(servicex):
-    with pytest.raises(Exception) as err:
+@patch('servicex.servicex_adapter.TransformStatus', side_effect=RuntimeError)
+@patch('servicex.servicex_adapter.RetryClient.get')
+async def test_get_tranform_status_retry_error(get,
+                                               mock_transform_status,
+                                               servicex,
+                                               transform_status_response):
+    with pytest.raises(RuntimeError) as err:
+        get.return_value.__aenter__.return_value.json.return_value = transform_status_response['requests'][0]  # NOQA: E501
+        get.return_value.__aenter__.return_value.status = 200
         await servicex.get_transform_status("b8c508d0-ccf2-4deb-a1f7-65c839eebabf")
         assert "ServiceX WebAPI Error while getting transform status:" in str(err.value)