fix lint

Author: davidtaikocha

prover/prover_test.go

@@ -233,8 +233,8 @@ func (s *ProverTestSuite) TestContestWrongBlocks() {
 	s.Equal(header.ParentHash, common.BytesToHash(event.Tran.ParentHash[:]))
 
 	// Contest the transition.
-	contestedSink := make(chan *bindings.TaikoL1ClientTransitionContested)
-	contestedSub, err := s.p.rpc.TaikoL1.WatchTransitionContested(nil, contestedSink, nil)
+	contestedSink = make(chan *bindings.TaikoL1ClientTransitionContested)
+	contestedSub, err = s.p.rpc.TaikoL1.WatchTransitionContested(nil, contestedSink, nil)
 	s.Nil(err)
 	defer func() {
 		contestedSub.Unsubscribe()