More spec refactoring #79

Job	Run time
RSpec PostgreSQL 14, Ruby 3.1, Rails 7_0	3m 5s
RSpec PostgreSQL 14, Ruby 3.1, Rails 7_1	21m 3s
RSpec PostgreSQL 14, Ruby 3.1, Rails 7_2	21m 7s
RSpec PostgreSQL 14, Ruby 3.2, Rails 7_0	2m 57s
RSpec PostgreSQL 14, Ruby 3.2, Rails 7_1	2m 49s
RSpec PostgreSQL 14, Ruby 3.2, Rails 7_2	21m 8s
RSpec PostgreSQL 14, Ruby 3.2, Rails 8_0	2m 41s
RSpec PostgreSQL 14, Ruby 3.3, Rails 7_0	2m 52s
RSpec PostgreSQL 14, Ruby 3.3, Rails 7_1	21m 12s
RSpec PostgreSQL 14, Ruby 3.3, Rails 7_2	21m 4s
RSpec PostgreSQL 14, Ruby 3.3, Rails 8_0	21m 8s
RSpec PostgreSQL 14, Ruby jruby, Rails 7_0	1m 56s
	2h 23m 2s

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