Split testsuite for unit and inspector based tests (#82)

tests/Unit/Capability/Discovery/Fixtures/NonDiscoverableClass.php

@@ -0,0 +1,36 @@
+<?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 Mcp\Tests\Unit\Capability\Discovery\Fixtures;
+
+class NonDiscoverableClass
+{
+    public function someMethod(): string
+    {
+        return 'Just a regular method.';
+    }
+}
+
+interface MyDiscoverableInterface
+{
+}
+
+trait MyDiscoverableTrait
+{
+    public function traitMethod()
+    {
+    }
+}
+
+enum MyDiscoverableEnum
+{
+    case Alpha;
+}