func (suite *RestSuite) assertEqualDummyCollection(c *models.Collection, x *Collection, idx int) {
    suite.Equal(c.ID, x.ID, "collection.ID [%d]", idx)
    suite.Equal(c.UID, x.UID, "collection.UID [%d]", idx)
    suite.Equal(c.TypeID, x.TypeID, "collection.TypeID [%d]", idx)
    suite.Equal(len(c.R.CollectionI18ns), len(x.I18n), "collection i18ns length [%d]", idx)