Chore/improve specs #663

# to view logs

Job	Run time
Ruby specs (3.0, rails_7.0, 16, stable)	1m 35s
Ruby specs (3.0, rails_7.1, 16, stable)	1m 34s
Ruby specs (3.1, rails_7.0, 16, stable)	1m 41s
Ruby specs (3.1, rails_7.1, 16, stable)	1m 36s
Ruby specs (3.1, rails_7.2, 16, stable)	1m 59s
Ruby specs (3.2, rails_7.0, 16, stable)	1m 37s
Ruby specs (3.2, rails_7.1, 16, stable)	1m 38s
Ruby specs (3.2, rails_7.2, 16, stable)	1m 38s
Ruby specs (3.2, rails_8.0, 16, stable)	1m 40s
Ruby specs (3.3, rails_7.0, 16, stable)	1m 38s
Ruby specs (3.3, rails_7.1, 16, stable)	1m 35s
Ruby specs (3.3, rails_7.2, 16, stable)	1m 47s
Ruby specs (3.3, rails_8.0, 16, stable)	1m 44s
Ruby specs (3.0, rails_7.0, 12, stable)	1m 38s
Ruby specs (3.2, rails_edge, 16, experimental)	1m 38s
Ruby specs (3.3, rails_edge, 16, experimental)	1m 51s
Ruby specs (head, rails_7.1, 16, experimental)	2m 28s
Ruby specs (head, rails_7.2, 16, experimental)	2m 34s
Ruby specs (head, rails_8.0, 16, experimental)	2m 43s
Ruby specs (head, rails_edge, 16, experimental)	2m 44s
	37m 18s

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