added more unit tests

Author: scottHAT

.coverage

@@ -212,6 +212,10 @@ def get_transport_config(self) -> Dict[str, Any]:
             config["use_shell"] = True
 
         return config
+    
+    def should_skip_shutdown(self) -> bool:
+        """Skip shutdown for PostgreSQL server."""
+        return True
 
 
 class MinimalServerAdapter(ServerAdapter):

mcp_testing/utils/server_adapters.py

@@ -0,0 +1,7 @@
+[pytest]
+asyncio_mode = strict
+asyncio_default_fixture_loop_scope = function
+asyncio_default_test_loop_scope = function
+filterwarnings =
+    ignore::DeprecationWarning:unittest.case:
+    ignore::RuntimeWarning:unittest.case: