By: Michael Lynch <git@mtlynch.io>
Replace duplicated mustCreateUserID test helpers with MustCreateUserID mustCreateUserID was copy-pasted across test packages. Adding MustCreateUserID to the littlemoments package lets test files use a single shared implementation alongside MustCreateEmailAddress.
| Time to Start | Worker time | Duration | Time to finish | Idle | |
| Config | 0s | 2s | 2s | 3s | 0s |
| Eval | 3s | 48s | 48s | 52s | 0s |
| Build | 6s | 3m29s | 3m21s | 3m28s | 1m43s |
| Suite | 0s | 4m20s | 3m27s | 3m28s | 1m44s |