Move logging for skipping streaming response validation to right place (#1470)

Author: RobbeSneyders

connexion/decorators/response.py

@@ -89,10 +89,11 @@ def _wrapper(request, response):
             connexion_response = \
                 self.operation.api.get_connexion_response(response, self.mimetype)
             if not connexion_response.is_streamed:
-                logger.warning("Skipping response validation for streamed response.")
                 self.validate_response(
                     connexion_response.body, connexion_response.status_code,
                     connexion_response.headers, request.url)
+            else:
+                logger.warning("Skipping response validation for streamed response.")
 
             return response