[Server Integration tests] Enrich integration GraphQL API tests #2 (#…

…7978)

This PR was created by [GitStart](https://gitstart.com/) to address the
requirements from this ticket:
[TWNTY-7526](https://clients.gitstart.com/twenty/5449/tickets/TWNTY-7526).

 --- 

### Description

For workspace members, the deletion of multiple members is a special
case that is not permitted by the method for regular users. As a result,
we ensure that multiple deletions are not processed.

For certain tests, both an account ID and a user ID are required. We are
utilizing Tim's account for all testing purposes, as specified by the
token in `jest-integration.config.ts`. To streamline this process, we
have defined a constant to store and reference the account ID and user
ID during testing.Refs

#7526

### Dem


![](https://assets-service.gitstart.com/16336/4df04650-70ff-4eb6-b43f-25edecc8e66f.png)

Co-authored-by: gitstart-twenty <[email protected]>

packages/twenty-server/test/integration/graphql/integration.constants.ts

@@ -1 +1,3 @@
 export const TIM_ACCOUNT_ID = '20202020-0687-4c41-b707-ed1bfca972a7';
+
+export const TIM_USER_ID = '20202020-9e3b-46d4-a556-88b9ddc2b034';