support relative BUNDLE_GEMFILE path in tests (#245) #64

Job	Run time
test (2.5, gemfiles/rails_5_1.gemfile)	3m 1s
test (2.5, gemfiles/rails_5_2.gemfile)	2m 54s
test (2.5, gemfiles/rails_6_0.gemfile)	3m 28s
test (2.5, gemfiles/rails_6_1.gemfile)	3m 1s
test (2.6, gemfiles/rails_5_2.gemfile)	3m 11s
test (2.6, gemfiles/rails_6_0.gemfile)	3m 6s
test (2.6, gemfiles/rails_6_1.gemfile)	3m 8s
test (2.7, gemfiles/rails_5_1.gemfile)	3m 5s
test (2.7, gemfiles/rails_5_2.gemfile)	3m 9s
test (2.7, gemfiles/rails_6_0.gemfile)	2m 59s
test (2.7, gemfiles/rails_6_1.gemfile)	2m 56s
test (2.7, gemfiles/rails_7_0.gemfile)	2m 57s
test (2.7, gemfiles/rails_7_1.gemfile)	3m 3s
test (3.0, gemfiles/rails_6_0.gemfile)	1m 40s
test (3.0, gemfiles/rails_6_1.gemfile)	1m 39s
test (3.0, gemfiles/rails_7_0.gemfile)	1m 38s
test (3.0, gemfiles/rails_7_1.gemfile)	1m 38s
test (3.1, gemfiles/rails_6_0.gemfile)	1m 41s
test (3.1, gemfiles/rails_6_1.gemfile)	1m 29s
test (3.1, gemfiles/rails_7_0.gemfile)	1m 30s
test (3.1, gemfiles/rails_7_1.gemfile)	1m 35s
test (3.1, gemfiles/rails_7_2.gemfile)	1m 45s
test (3.2, gemfiles/rails_6_0.gemfile)	1m 34s
test (3.2, gemfiles/rails_6_1.gemfile)	1m 37s
test (3.2, gemfiles/rails_7_0.gemfile)	1m 37s
test (3.2, gemfiles/rails_7_1.gemfile)	1m 44s
test (3.2, gemfiles/rails_7_2.gemfile)	1m 50s
test (3.3, gemfiles/rails_6_0.gemfile)	1m 34s
test (3.3, gemfiles/rails_6_1.gemfile)	1m 30s
test (3.3, gemfiles/rails_7_0.gemfile)	1m 32s
test (3.3, gemfiles/rails_7_1.gemfile)	1m 38s
test (3.3, gemfiles/rails_7_2.gemfile)	1m 44s
test (head, gemfiles/rails_head.gemfile)	2m 59s
	1h 13m 52s

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