Add more inspector tests for functionality tests of STDIO examples (#115)

tests/Inspector/ManualStdioExampleTest.php

@@ -1,29 +0,0 @@
-<?php
-
-/*
- * This file is part of the official PHP MCP SDK.
- *
- * A collaboration between Symfony and the PHP Foundation.
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Inspector;
-
-use Mcp\Tests\Inspector\InspectorSnapshotTestCase;
-
-final class ManualStdioExampleTest extends InspectorSnapshotTestCase
-{
-    public static function provideMethods(): array
-    {
-        return [
-            ...parent::provideListMethods(),
-        ];
-    }
-
-    protected function getServerScript(): string
-    {
-        return \dirname(__DIR__, 2).'/examples/stdio-explicit-registration/server.php';
-    }
-}