refactor: add assert on `LiveModelTestCase::createModel()` #13315

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.2) / Sanity Tests	3m 49s
Others (8.4) / Sanity Tests	2m 28s
Others (8.3) / Sanity Tests	2m 34s
Others (8.1) / Sanity Tests	2m 31s
CacheLive (8.1) / Cache Live Tests	1m 57s
CacheLive (8.3) / Cache Live Tests	2m 7s
CacheLive (8.2) / Cache Live Tests	2m 13s
CacheLive (8.4) / Cache Live Tests	1m 58s
DatabaseLive (8.2, OCI8, 8.0) / tests	6m 56s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	5m 15s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 38s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 24s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 11s
DatabaseLive (8.1, MySQLi, 8.0) / tests	5m 24s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 24s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 45s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 9s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 4s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 43s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 1s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 28s
DatabaseLive (8.3, MySQLi, 8.0) / tests	5m 49s
DatabaseLive (8.2, MySQLi, 8.0) / tests	6m 37s
DatabaseLive (8.1, SQLite3, 8.0) / tests	3m 4s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 44s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 20s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 42s
DatabaseLive (8.4, MySQLi, 8.0) / tests	5m 41s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 20s
SeparateProcess (8.1) / tests	3m 21s
SeparateProcess (8.2) / tests	3m 12s
SeparateProcess (8.3) / tests	3m 18s
SeparateProcess (8.4) / tests	3m 13s
Upload coverage results to Coveralls / coveralls	39s
	2h 9m 1s

Provide feedback