refactor: fix phpstan errors in mock classes (#9594) #13355

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.2) / Sanity Tests	3m 47s
Others (8.1) / Sanity Tests	2m 33s
Others (8.3) / Sanity Tests	2m 36s
Others (8.4) / Sanity Tests	2m 24s
SeparateProcess (8.2) / tests	3m 58s
SeparateProcess (8.4) / tests	3m 13s
CacheLive (8.4) / Cache Live Tests	2m 2s
SeparateProcess (8.1) / tests	3m 20s
SeparateProcess (8.3) / tests	3m 30s
CacheLive (8.1) / Cache Live Tests	2m 6s
CacheLive (8.2) / Cache Live Tests	2m 14s
CacheLive (8.3) / Cache Live Tests	2m 1s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 38s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 11s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 58s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 28s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 44s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 24s
DatabaseLive (8.3, SQLite3, 8.0) / tests	3m 16s
DatabaseLive (8.1, MySQLi, 8.0) / tests	5m 35s
DatabaseLive (8.4, SQLite3, 8.0) / tests	3m 9s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 32s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 28s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 17s
DatabaseLive (8.2, OCI8, 8.0) / tests	6m 45s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 38s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 31s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 8s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 46s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 13s
DatabaseLive (8.3, MySQLi, 8.0) / tests	5m 0s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 40s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 38s
Upload coverage results to Coveralls / coveralls	42s
	2h 9m 27s

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