refactor: add strict types to tests #14226

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.4) / Sanity Tests	2m 33s
Others (8.2) / Sanity Tests	3m 53s
Others (8.3) / Sanity Tests	2m 29s
Others (8.5) / Sanity Tests	2m 32s
SeparateProcess (8.4) / tests	3m 24s
CacheLive (8.3) / Cache Live Tests	2m 1s
SeparateProcess (8.2) / tests	3m 21s
CacheLive (8.5) / Cache Live Tests	1m 57s
CacheLive (8.2) / Cache Live Tests	2m 9s
SeparateProcess (8.5) / tests	3m 43s
DatabaseLive (8.5, Postgre, 8.0) / tests	2m 46s
SeparateProcess (8.3) / tests	3m 28s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 46s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 21s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 0s
DatabaseLive (8.5, SQLite3, 8.0) / tests	2m 15s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 23s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 29s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 44s
CacheLive (8.4) / Cache Live Tests	2m 6s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 49s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 15s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 56s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 25s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 20s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 11s
DatabaseLive (8.5, MySQLi, 8.0) / tests	4m 12s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 30s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 11s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 31s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 52s
DatabaseLive (8.5, OCI8, 8.0) / tests	6m 40s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 23s
Upload coverage results to Coveralls / coveralls	38s
	2h 7m 15s

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