fix: unify casing in BaseService::injectMock #15483

Job	Run time
Setup PHP Version for Code Coverage	2s
Others (8.3) / Sanity Tests	1m 21s
Others (8.4) / Sanity Tests	1m 28s
Others (8.2) / Sanity Tests	2m 34s
Others (8.5) / Sanity Tests	1m 36s
CacheLive (8.5) / Cache Live Tests	1m 6s
CacheLive (8.4) / Cache Live Tests	59s
CacheLive (8.3) / Cache Live Tests	1m 1s
DatabaseLive (8.4, MySQLi, 8.0) / tests	3m 15s
CacheLive (8.2) / Cache Live Tests	1m 11s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 3s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 59s
DatabaseLive (8.5, MySQLi, 8.0) / tests	3m 47s
SeparateProcess (8.5) / tests	2m 4s
SeparateProcess (8.4) / tests	2m 18s
SeparateProcess (8.2) / tests	2m 8s
SeparateProcess (8.3) / tests	2m 5s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 10s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 10s
DatabaseLive (8.4, Postgre, 8.0) / tests	1m 38s
DatabaseLive (8.3, Postgre, 8.0) / tests	1m 54s
DatabaseLive (8.5, Postgre, 8.0) / tests	1m 59s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 13s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	4m 49s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 8s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 44s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 25s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 3s
DatabaseLive (8.2, MySQLi, 5.7) / tests	2m 54s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 10s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 38s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 33s
DatabaseLive (8.5, OCI8, 8.0) / tests	6m 48s
DatabaseLive (8.2, OCI8, 8.0) / tests	8m 24s
Upload coverage results to Coveralls / coveralls	43s
	1h 42m 20s

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