Address code review items #1170

Job	Run time
PHPUnit (8.1, 7.0, stable, server, highest, stable)	57s
PHPUnit (8.1, 6.0, stable, server, highest, stable)	1m 9s
PHPUnit (8.1, 5.0, stable, server, highest, stable)	1m 14s
PHPUnit (8.1, 4.4, stable, server, highest, stable)	1m 18s
PHPUnit (8.2, 7.0, stable, server, highest, stable)	1m 16s
PHPUnit (8.2, 6.0, stable, server, highest, stable)	1m 10s
PHPUnit (8.2, 5.0, stable, server, highest, stable)	1m 21s
PHPUnit (8.2, 4.4, stable, server, highest, stable)	1m 7s
PHPUnit (8.3, 7.0, stable, server, highest, stable)	1m 5s
PHPUnit (8.3, 6.0, stable, server, highest, stable)	1m 2s
PHPUnit (8.3, 5.0, stable, server, highest, stable)	1m 4s
PHPUnit (8.3, 4.4, stable, server, highest, stable)	1m 14s
PHPUnit (lowest, 8.1, 4.4, 1.11.0, server, stable)	1m 58s
PHPUnit (server, 8.2, 6.0, stable, highest, 7)	1m 3s
PHPUnit (replica_set, 8.2, 4.4, stable, highest, stable)	1m 25s
PHPUnit (sharded_cluster, 8.2, 4.4, stable, highest, stable)	1m 40s
	20m 3s

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