Remove StreamableToolInterface implementation from test mock in ToolsCallHandlerTest.

Author: klapaudius

tests/Server/Request/ToolsCallHandlerTest.php

@@ -762,7 +762,7 @@ public function test_execute_with_tool_that_is_both_streamable_and_sampling_awar
         $progressNotifier = $this->createMock(ProgressNotifier::class);
 
         // Create a tool that implements both interfaces
-        $combinedTool = new class implements SamplingAwareToolInterface, StreamableToolInterface
+        $combinedTool = new class implements SamplingAwareToolInterface
         {
             private ?ProgressNotifierInterface $progressNotifier = null;