chore: fix all linting (#24101)

x/simulation/mock_cometbft.go

@@ -85,6 +85,8 @@ func updateValidators(
 	updates []abci.ValidatorUpdate,
 	event func(route, op, evResult string),
 ) map[string]mockValidator {
+	tb.Helper()
+
 	for _, update := range updates {
 		str := fmt.Sprintf("%X", update.PubKey.GetEd25519())
 

x/simulation/operation.go

@@ -79,7 +79,6 @@ func queueOperations(queuedOps OperationQueue, queuedTimeOps, futureOps []simula
 	}
 
 	for _, futureOp := range futureOps {
-		futureOp := futureOp
 		if futureOp.BlockHeight != 0 {
 			if val, ok := queuedOps[futureOp.BlockHeight]; ok {
 				queuedOps[futureOp.BlockHeight] = append(val, futureOp.Op)

x/simulation/util.go

@@ -15,6 +15,7 @@ import (
 )
 
 func getTestingMode(tb testing.TB) (testingMode bool, t *testing.T, b *testing.B) {
+	tb.Helper()
 	testingMode = false
 
 	if _t, ok := tb.(*testing.T); ok {