fix(container_registry_v1): Fix test_get_image_manifest to correctly convert type if not dict

Signed-off-by: Mike Young <[email protected]>

Author: Mike Young

test/integration/test_container_registry_v1.py

@@ -173,6 +173,8 @@ def test_get_image_manifest(self):
 
         assert get_image_manifest_response.get_status_code() == 200
         image_manifest = get_image_manifest_response.get_result()
+        if not isinstance(image_manifest, dict):
+            image_manifest = json.loads(image_manifest.text)
         assert image_manifest.get("schemaVersion") == 2
 
     @needscredentials