Tests

Fix: Undefined logger in grape instruments #474

Job	Run time
lint	27s
test (2.1, gems/rails3.gemfile)	18s
test (2.2)	25s
test (2.3, gems/sqlite3-1.3.gemfile)	24s
test (2.4, gems/sqlite3-1.3.gemfile)	26s
test (2.5)	31s
test (2.6)	24s
test (2.6, gems/typhoeus.gemfile, typhoeus)	24s
test (2.6, gems/octoshark.gemfile)	27s
test (2.7)	26s
test (2.7, true)	27s
test (3.0)	11s
test (3.0, true)	9s
test (3.0, gems/instruments.gemfile, instruments)	12s
test (3.0, gems/instruments.gemfile, true, instruments)	12s
test (3.0, gems/sidekiq.gemfile, sidekiq_install)	9s
test (3.1)	14s
test (3.2)	9s
	5m 55s

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