Chore: Rewrite models dashboard acl test to standard library (#30022)

pkg/models/dashboard_acl_test.go

 package models
 
 import (
-	"testing"
-
 	"fmt"
+	"testing"
 
-	. "github.com/smartystreets/goconvey/convey"
+	"github.com/stretchr/testify/assert"
 )
 
-func TestDashboardAclModel(t *testing.T) {
-	Convey("When printing a PermissionType", t, func() {
-		view := PERMISSION_VIEW
-		printed := fmt.Sprint(view)
+func TestPermissionType_String(t *testing.T) {
+	testCases := []struct {
+		permissionType PermissionType
+		expected       string
+	}{
+		{PERMISSION_ADMIN, "Admin"},
+		{PERMISSION_EDIT, "Edit"},
+		{PERMISSION_VIEW, "View"},
+	}
 
-		Convey("Should output a friendly name", func() {
-			So(printed, ShouldEqual, "View")
+	for _, tc := range testCases {
+		t.Run(tc.expected, func(t *testing.T) {
+			assert.Equal(t, tc.expected, fmt.Sprint(tc.permissionType))
+			assert.Equal(t, tc.expected, tc.permissionType.String())
 		})
-	})
+	}
 }