Fix integration test

Author: DevonFulcher

tests/integration/discovery/test_discovery.py

@@ -12,7 +12,7 @@ def api_client() -> MetadataAPIClient:
 
     if not host or not token:
         raise ValueError("DBT_HOST and DBT_TOKEN environment variables are required")
-    return MetadataAPIClient(host=host, token=token)
+    return MetadataAPIClient(url=f"https://metadata.{host}/graphql", token=token)
 
 
 @pytest.fixture