tests

Move rack and rackup into dev/test block #145

Job	Run time
active_record_with_lock_adapter_rspec (3.0)	34s
rubocop	10s
rspec (3.0)	40s
smoke_test (3.0, 2.2)	38s
rspec (3.1)	34s
smoke_test (3.0, 3.1)	35s
active_record_with_lock_adapter_rspec (3.1)	40s
rspec (3.2)	35s
smoke_test (3.1, 2.2)	32s
active_record_with_lock_adapter_rspec (3.2)	33s
rspec (3.3)	33s
smoke_test (3.1, 3.1)	42s
active_record_with_lock_adapter_rspec (3.3)	40s
smoke_test (3.2, 2.2)	28s
smoke_test (3.2, 3.1)	30s
smoke_test (3.3, 2.2)	33s
smoke_test (3.3, 3.1)	40s
	9m 37s

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