Hide help command for category tests

app_test.go

@@ -1125,6 +1125,7 @@ func TestApp_Run_Version(t *testing.T) {
 func TestApp_Run_Categories(t *testing.T) {
 	app := NewApp()
 	app.Name = "categories"
+	app.HideHelp = true
 	app.Commands = []Command{
 		{
 			Name:     "command1",
@@ -1174,6 +1175,7 @@ func TestApp_Run_Categories(t *testing.T) {
 func TestApp_VisibleCategories(t *testing.T) {
 	app := NewApp()
 	app.Name = "visible-categories"
+	app.HideHelp = true
 	app.Commands = []Command{
 		{
 			Name:     "command1",
@@ -1213,6 +1215,7 @@ func TestApp_VisibleCategories(t *testing.T) {
 
 	app = NewApp()
 	app.Name = "visible-categories"
+	app.HideHelp = true
 	app.Commands = []Command{
 		{
 			Name:     "command1",
@@ -1247,6 +1250,7 @@ func TestApp_VisibleCategories(t *testing.T) {
 
 	app = NewApp()
 	app.Name = "visible-categories"
+	app.HideHelp = true
 	app.Commands = []Command{
 		{
 			Name:     "command1",