fix format

Author: marandaneto

dart/test/sentry_client_test.dart

@@ -348,7 +348,6 @@ void main() {
     });
 
     test('should return empty for when transaction is discarded', () async {
-
       final client = fixture.getSut(eventProcessor: DropAllEventProcessor());
       final tr = SentryTransaction(fixture.tracer);
       final id = await client.captureTransaction(tr);