feat: move the test files to corresponding directories

Author: CodeWithKyrian

tests/Unit/Server/RequestHandler/CallToolHandlerTest.php renamed to tests/Unit/Server/Handler/Request/CallToolHandlerTest.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace Mcp\Tests\Unit\Server\RequestHandler;
+namespace Mcp\Tests\Unit\Server\Handler\Request;
 
 use Mcp\Capability\Tool\ToolCallerInterface;
 use Mcp\Exception\ToolCallException;

tests/Unit/Server/RequestHandler/GetPromptHandlerTest.php renamed to tests/Unit/Server/Handler/Request/GetPromptHandlerTest.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace Mcp\Tests\Unit\Server\RequestHandler;
+namespace Mcp\Tests\Unit\Server\Handler\Request;
 
 use Mcp\Capability\Prompt\PromptGetterInterface;
 use Mcp\Exception\PromptGetException;

tests/Unit/Server/RequestHandler/ListPromptsHandlerTest.php renamed to tests/Unit/Server/Handler/Request/ListPromptsHandlerTest.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace Mcp\Tests\Unit\Server\RequestHandler;
+namespace Mcp\Tests\Unit\Server\Handler\Request;
 
 use Mcp\Capability\Registry;
 use Mcp\Exception\InvalidCursorException;

tests/Unit/Server/RequestHandler/ListResourcesHandlerTest.php renamed to tests/Unit/Server/Handler/Request/ListResourcesHandlerTest.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace Mcp\Tests\Unit\Server\RequestHandler;
+namespace Mcp\Tests\Unit\Server\Handler\Request;
 
 use Mcp\Capability\Registry;
 use Mcp\Exception\InvalidCursorException;

tests/Unit/Server/RequestHandler/ListToolsHandlerTest.php renamed to tests/Unit/Server/Handler/Request/ListToolsHandlerTest.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace Mcp\Tests\Unit\Server\RequestHandler;
+namespace Mcp\Tests\Unit\Server\Handler\Request;
 
 use Mcp\Capability\Registry;
 use Mcp\Exception\InvalidCursorException;

tests/Unit/Server/RequestHandler/PingHandlerTest.php renamed to tests/Unit/Server/Handler/Request/PingHandlerTest.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace Mcp\Tests\Unit\Server\RequestHandler;
+namespace Mcp\Tests\Unit\Server\Handler\Request;
 
 use Mcp\Schema\JsonRpc\Request;
 use Mcp\Schema\JsonRpc\Response;

tests/Unit/Server/RequestHandler/ReadResourceHandlerTest.php renamed to tests/Unit/Server/Handler/Request/ReadResourceHandlerTest.php

@@ -9,7 +9,7 @@
  * file that was distributed with this source code.
  */
 
-namespace Mcp\Tests\Unit\Server\RequestHandler;
+namespace Mcp\Tests\Unit\Server\Handler\Request;
 
 use Mcp\Capability\Resource\ResourceReaderInterface;
 use Mcp\Exception\ResourceNotFoundException;