Align with spec #3002: optional clientInfo, serverInfo in result _meta (#3143)

tests/docs_src/test_testing.py

@@ -10,6 +10,7 @@ from mcp_types import CallToolResult, TextContent
 
 from docs_src.testing.tutorial001 import mcp
 from mcp import Client
+from tests.docs_src._helpers import strip_server_info
 
 # See test_index.py for why this is a per-module mark and not a conftest hook.
 pytestmark = [pytest.mark.anyio, pytest.mark.filterwarnings("error::mcp.MCPDeprecationWarning")]
@@ -18,6 +19,7 @@ pytestmark = [pytest.mark.anyio, pytest.mark.filterwarnings("error::mcp.MCPDepre
 async def test_call_add_tool() -> None:
     async with Client(mcp, raise_exceptions=True) as client:
         result = await client.call_tool("add", {"a": 1, "b": 2})
+        result = strip_server_info(result, mcp)
         assert result == snapshot(
             CallToolResult(content=[TextContent(type="text", text="3")], structured_content={"result": 3})
         )