test: remove DB files after tests #12556

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.2) / Sanity Tests	3m 34s
Others (8.3) / Sanity Tests	2m 18s
Others (8.4, --ignore-platform-req=php) / Sanity Tests	2m 18s
Others (8.1) / Sanity Tests	2m 26s
CacheLive (8.1) / Cache Live Tests	2m 7s
CacheLive (8.2) / Cache Live Tests	2m 20s
CacheLive (8.4, --ignore-platform-req=php) / Cache Live Tests	1m 57s
CacheLive (8.3) / Cache Live Tests	1m 53s
DatabaseLive (8.1, MySQLi, 5.7) / tests	2m 39s
DatabaseLive (8.1, MySQLi, 8.0) / tests	3m 31s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 20s
DatabaseLive (8.1, Postgre, 8.0) / tests	3m 2s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 42s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 26s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 41s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 8s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 55s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 10s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 18s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 8s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 24s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 25s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 45s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 26s
DatabaseLive (8.4, --ignore-platform-req=php) / tests	2m 7s
SeparateProcess (8.1) / tests	3m 26s
SeparateProcess (8.2) / tests	3m 12s
SeparateProcess (8.3) / tests	3m 8s
SeparateProcess (8.4, --ignore-platform-req=php) / tests	3m 16s
Upload coverage results to Coveralls / coveralls	37s
	1h 40m 40s

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