customFieldUserApi.removeCustomFields(customFields, callContext); List<CustomField> remainingCustomFields = customFieldUserApi.getCustomFieldsForObject(accountId, ObjectType.ACCOUNT, callContext); Assert.assertEquals(remainingCustomFields.size(), 0); customFieldUserApi.removeCustomFields(remainingCustomFields, callContext); remainingCustomFields = customFieldUserApi.getCustomFieldsForObject(accountId, ObjectType.ACCOUNT, callContext); Assert.assertEquals(remainingCustomFields.size(), 0);