chore: import upstream snapshot with attribution

python/ray/serve/tests/test_config_files/sqlalchemy.py

@@ -0,0 +1,15 @@
+from ray import serve
+
+
+@serve.deployment
+class TestDeployment:
+    def __init__(self):
+        import pymysql
+        from sqlalchemy import create_engine
+
+        pymysql.install_as_MySQLdb()
+
+        create_engine("mysql://some_wrong_url:3306").connect()
+
+
+app = TestDeployment.bind()