Tests

tidy up local helpers #500

Job	Run time
lint	23s
test (2.1, gems/rails3.gemfile)	29s
test (2.2)	30s
test (2.3, gems/sqlite3-1.3.gemfile)	30s
test (2.4, gems/sqlite3-1.3.gemfile)	33s
test (2.5)	24s
test (2.6)	28s
test (2.6, gems/typhoeus.gemfile, typhoeus)	23s
test (2.6, gems/octoshark.gemfile)	28s
test (2.7)	24s
test (2.7, true)	23s
test (3.0)	8s
test (3.0, true)	16s
test (3.0, gems/instruments.gemfile, instruments)	11s
test (3.0, gems/instruments.gemfile, true, instruments)	15s
test (3.0, gems/sidekiq.gemfile, sidekiq_install)	10s
test (3.1)	10s
test (3.2)	12s
test (3.3)	9s
	6m 26s

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