🩹 Fix prefork test

ctx_test.go

@@ -1423,7 +1423,6 @@ func (t *testTemplateEngine) Load() error {
 
 // go test -run Test_Ctx_Render_Engine
 func Test_Ctx_Render_Engine(t *testing.T) {
-	t.Parallel()
 	engine := &testTemplateEngine{}
 	engine.Load()
 	app := New()

prefork.go

@@ -21,7 +21,7 @@ const (
 
 var (
 	testPreforkMaster = false
-	dummyChildCmd     = "date"
+	dummyChildCmd     = "go version"
 )
 
 // IsChild determines if the current process is a result of Prefork
@@ -89,7 +89,11 @@ func (app *App) prefork(addr string, tlsconfig ...*tls.Config) (err error) {
 			// When test prefork master,
 			// just start the child process
 			// a cmd on all os is best
-			cmd = exec.Command(dummyChildCmd)
+			if runtime.GOOS == "windows" {
+				cmd = exec.Command("cmd", "/C", dummyChildCmd)
+			} else {
+				cmd = exec.Command(dummyChildCmd)
+			}
 		}
 		cmd.Stdout = os.Stdout
 		cmd.Stderr = os.Stderr

prefork_test.go

@@ -13,6 +13,7 @@ func Test_App_Prefork_Child_Process(t *testing.T) {
 	defer os.Setenv(envPreforkChildKey, "")
 
 	app := New()
+	app.Settings.DisableStartupMessage = true
 	app.init()
 
 	err := app.prefork("invalid")
@@ -30,6 +31,7 @@ func Test_App_Prefork_Main_Process(t *testing.T) {
 	testPreforkMaster = true
 
 	app := New()
+	app.Settings.DisableStartupMessage = true
 	app.init()
 
 	go func() {