test: refactor Config/Registrar.php #11367

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.3) / Sanity Tests	3m 2s
Others (8.1) / Sanity Tests	2m 32s
Others (8.2) / Sanity Tests	4m 15s
CacheLive (8.2) / Cache Live Tests	2m 31s
CacheLive (8.3) / Cache Live Tests	2m 5s
CacheLive (8.1) / Cache Live Tests	2m 27s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 7s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 25s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 27s
DatabaseLive (8.1, Postgre, 8.0) / tests	3m 5s
DatabaseLive (8.1, SQLite3, 8.0) / tests	3m 46s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 24s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 5s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 28s
DatabaseLive (8.2, Postgre, 8.0) / tests	4m 17s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 48s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 26s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 32s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 35s
DatabaseLive (8.3, Postgre, 8.0) / tests	3m 7s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 54s
SeparateProcess (8.1) / tests	3m 42s
SeparateProcess (8.2) / tests	3m 43s
SeparateProcess (8.3) / tests	3m 31s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 51s
Upload coverage results to Coveralls / coveralls	56s
	1h 42m 2s

Provide feedback