Fix clone of rspec-rails #647

Job	Run time
Rubocop	21s
Ruby 2.7 (Windows)	1m 55s
Legacy Ruby Builds (2.1.9)	37s
Ruby 2.6 (Windows)	3m 30s
Ruby 3.3	1m 31s
Legacy Ruby Builds (2.0)	30s
Ruby 2.5 (Windows)	3m 10s
Ruby 3.2	1m 22s
Legacy Ruby Builds (1.9.3)	28s
Ruby 2.4 (Windows)	1m 59s
Ruby 3.1	1m 20s
Legacy Ruby Builds (1.9.2)	29s
Ruby 2.3 (Windows)	2m 28s
Ruby 3.0	1m 37s
Legacy Ruby Builds (1.8.7)	27s
Ruby 2.2 (Windows)	2m 29s
Ruby 2.7	2m 48s
Legacy Ruby Builds (REE)	33s
Ruby 2.6	3m 2s
Legacy Ruby Builds (JRuby 1.7)	35s
Ruby 2.5	2m 53s
Legacy Ruby Builds (JRuby 1.7 1.8 mode)	32s
Ruby 2.4	1m 25s
Legacy Ruby Builds (JRuby 9.1.17.0)	40s
Ruby 2.3	1m 28s
Ruby 2.2	2m 10s
Ruby ruby-head	29s
Ruby jruby-9.2.13.0	1m 44s
Ruby 2.7 with diff-lcs 1.3	2m 51s
Ruby 2.7 with diff-lcs 1.4.3	2m 47s
	48m 10s

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