kubernetes/vendor/go.uber.org/zap/zaptest/timeout.go

// Timeout scales the provided duration by $TEST_TIMEOUT_SCALE.
//
// Deprecated: This function is intended for internal testing and shouldn't be
// used outside zap itself. It was introduced before Go supported internal
// packages.
func Timeout(base time.Duration) time.Duration { … }

// Sleep scales the sleep duration by $TEST_TIMEOUT_SCALE.
//
// Deprecated: This function is intended for internal testing and shouldn't be
// used outside zap itself. It was introduced before Go supported internal
// packages.
func Sleep(base time.Duration) { … }