test: remove DB files after tests #12608

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.2) / Sanity Tests	3m 58s
Others (8.3) / Sanity Tests	2m 34s
Others (8.1) / Sanity Tests	2m 37s
Others (8.4, --ignore-platform-req=php) / Sanity Tests	2m 35s
CacheLive (8.1) / Cache Live Tests	1m 59s
SeparateProcess (8.1) / tests	3m 15s
CacheLive (8.2) / Cache Live Tests	2m 26s
SeparateProcess (8.2) / tests	3m 38s
SeparateProcess (8.3) / tests	3m 26s
SeparateProcess (8.4, --ignore-platform-req=php) / tests	3m 23s
CacheLive (8.3) / Cache Live Tests	2m 12s
CacheLive (8.4, --ignore-platform-req=php) / Cache Live Tests	2m 12s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 1s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 28s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 40s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 27s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 4s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 33s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 29s
DatabaseLive (8.2, OCI8, 8.0) / tests	6m 52s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 34s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 30s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 17s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 59s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 11s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 28s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 39s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 14s
DatabaseLive (8.4, --ignore-platform-req=php) / tests	2m 9s
Upload coverage results to Coveralls / coveralls	42s
	1h 43m 33s

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