Potential fix for pull request finding 'Useless parameter'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>

Author: brunoborges

src/test/java/com/github/copilot/sdk/SessionEventHandlingTest.java

@@ -855,7 +855,7 @@ private SessionStartEvent createSessionStartEvent() {
 
     private SessionStartEvent createSessionStartEvent(String sessionId) {
         var event = new SessionStartEvent();
-        var data = new SessionStartEvent.SessionStartData("test-session", 0, null, null, null, null);
+        var data = new SessionStartEvent.SessionStartData(sessionId, 0, null, null, null, null);
         event.setData(data);
         return event;
     }