feat: ensure streaming extension is started and stopped during health check tests

Author: juicycleff

extensions/webrtc/errors_test.go

@@ -357,6 +357,12 @@ func TestExtension_HealthCheck(t *testing.T) {
 		t.Error("health check should fail before starting")
 	}
 
+	// Start streaming extension first (required for health checks)
+	err = streamingExt.Start(ctx)
+	if err != nil {
+		t.Fatalf("failed to start streaming extension: %v", err)
+	}
+
 	// Start extension
 	err = webrtcExt.Start(ctx)
 	if err != nil {
@@ -375,6 +381,12 @@ func TestExtension_HealthCheck(t *testing.T) {
 		t.Fatalf("failed to stop extension: %v", err)
 	}
 
+	// Stop streaming extension
+	err = streamingExt.Stop(ctx)
+	if err != nil {
+		t.Fatalf("failed to stop streaming extension: %v", err)
+	}
+
 	// Test health check after stopping
 	err = webrtcExt.Health(ctx)
 	if err == nil {