env GO111MODULE=on

# go list -compiled -test must handle test-only packages
# golang.org/issue/27097.
go list -compiled -test
stdout '^m$'
stdout '^m\.test$'
stdout '^m \[m\.test\]$'

-- go.mod --
module m

-- x_test.go --
package x
import "testing"
func Test(t *testing.T) {}