Client-side 2026-07-28 support: .discover()/.adopt() + Client(mode=); request-metadata green (#2950)

tests/issues/test_552_windows_hang.py

@@ -9,7 +9,8 @@ import pytest
 
 from mcp import ClientSession, StdioServerParameters
 from mcp.client.stdio import stdio_client
-from mcp.types import LATEST_PROTOCOL_VERSION, InitializeResult
+from mcp.shared.version import LATEST_HANDSHAKE_VERSION
+from mcp.types import InitializeResult
 
 
 @pytest.mark.skipif(sys.platform != "win32", reason="Windows-specific test")  # pragma: no cover
@@ -32,7 +33,7 @@ async def test_initialize_succeeds_and_shutdown_returns_after_the_server_exits_m
             "jsonrpc": "2.0",
             "id": request["id"],
             "result": {{
-                "protocolVersion": {json.dumps(LATEST_PROTOCOL_VERSION)},
+                "protocolVersion": {json.dumps(LATEST_HANDSHAKE_VERSION)},
                 "capabilities": {{}},
                 "serverInfo": {{"name": "test-server", "version": "1.0"}}
             }}