fix cuttly tests and api response

pyshorteners/shorteners/cuttly.py

@@ -45,10 +45,23 @@ def short(self, url):
                 "API response is invalid ,could not be decoded"
             )
 
-        status = response.json()["url"]["status"]
+        try:
+            status = data["url"]["status"]
+        except KeyError:
+            raise BadAPIResponseException(
+                "API response does not have the required field: status"
+            )
+
         if status == self.STATUS_INVALID:
             """According to the API Docs when a status code of 4 is returned with
             json an Invalid API Key is provided"""
             raise BadAPIResponseException("Invalid API Key")
 
-        return data["url"]["shortLink"]
+        try:
+            short_link = data["url"]["shortLink"]
+        except KeyError:
+            raise BadAPIResponseException(
+                "API response does not have the required field: shortLink"
+            )
+
+        return short_link

tests/test_cuttly.py

@@ -18,7 +18,7 @@ def test_cuttly_short_method():
     # mock responses
     params = urlencode({"key": cuttly.api_key, "short": url})
     mock_url = f"{cuttly.api_url}?{params}"
-    res = json.dumps({"status": 1, "url": {"shortLink": shorted_url}})
+    res = json.dumps({"url": {"status": 1, "shortLink": shorted_url}})
     responses.add(responses.GET, mock_url, status=200, body=res, match_querystring=True)
 
     shorten_result = cuttly.short(url)