refactor: Move property to local variable on usage only in setUp() method in tests #12427

Job	Run time
Setup PHP Version for Code Coverage	1s
Others (8.2) / Sanity Tests	3m 47s
Others (8.1) / Sanity Tests	2m 34s
Others (8.3) / Sanity Tests	2m 15s
CacheLive (8.1) / Cache Live Tests	2m 7s
CacheLive (8.2) / Cache Live Tests	2m 16s
CacheLive (8.3) / Cache Live Tests	2m 7s
DatabaseLive (8.1, MySQLi, 8.0) / tests	4m 14s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 11s
DatabaseLive (8.1, OCI8, 8.0) / tests	5m 57s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 44s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 34s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	4m 24s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 43s
DatabaseLive (8.2, OCI8, 8.0) / tests	6m 50s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 18s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 53s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	4m 53s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 40s
DatabaseLive (8.3, OCI8, 8.0) / tests	5m 32s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 35s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 42s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	4m 8s
SeparateProcess (8.1) / tests	3m 26s
SeparateProcess (8.2) / tests	3m 35s
SeparateProcess (8.3) / tests	3m 29s
Upload coverage results to Coveralls / coveralls	48s
	1h 30m 43s

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