Please answer these questions before submitting your issue. Thanks!
What version of Go are you using (go version)?
go version go1.10 darwin/amd64
Does this issue reproduce with the latest release?
Yes
What operating system and processor architecture are you using (go env)?
osx
What did you do?
go test -h
What did you expect to see?
Documentation for disabling test cachine.
What did you see instead?
Nothing about test caching.