$ time go test --check.v
PASS: mutex_test.go:152: mutexSuite.TestDifferentNamesDontBlock 0.000s
PASS: mutex_test.go:105: mutexSuite.TestLockAfterTimeout 0.002s
PASS: mutex_test.go:166: mutexSuite.TestLockBlocks 0.040s
PASS: mutex_test.go:123: mutexSuite.TestLockContentionWithinProcessCancel 0.000s
PASS: mutex_test.go:92: mutexSuite.TestLockContentionWithinProcessTimeout 0.001s
PASS: mutex_test.go:86: mutexSuite.TestLockNoContention 0.000s
PASS: mutex_test.go:195: mutexSuite.TestProcessReleasesWhenDead 0.013s
PASS: mutex_test.go:145: mutexSuite.TestSecondReleaseFine 0.000s
PASS: mutex_test.go:33: mutexSuite.TestSpecValidity 0.000s
PASS: mutex_test.go:225: mutexSuite.TestStress 0.061s
OK: 10 passed
PASS
ok github.com/juju/mutex 0.129s