test: add type assertion to bypass type check

src/server/mcp.test.ts

@@ -1248,6 +1248,7 @@ describe("tool()", () => {
           processedInput: input,
           resultType: "structured",
           // Missing required 'timestamp' field
+          someExtraField: "unexpected" // Extra field not in schema
         } as unknown as { processedInput: string; resultType: string; timestamp: string }, // Type assertion to bypass TypeScript validation for testing purposes
       })
     );