chore: fix tests

Author: himanshusinghs

tests/unit/common/config.test.ts

@@ -656,7 +656,7 @@ describe("CLI arguments", () => {
         {
             cliArg: "connectionString",
             warning:
-                "The --connectionString argument is deprecated. Prefer using the first positional argument for the connection string or the MDB_MCP_CONNECTION_STRING environment variable.",
+                "The --connectionString argument is deprecated. Prefer using the MDB_MCP_CONNECTION_STRING environment variable or the first positional argument for the connection string.",
         },
     ] as TestCase[];