env GO111MODULE=on

# go list -compiled -test must handle test-only packages
# golang.org/issue/27097.
go list -compiled -test
stdout -count=4 '^.' # 4 lines
stdout '^m$'
stdout '^m\.test$'
stdout '^m \[m\.test\]$'
stdout '^m_test \[m\.test\]$'

# https://golang.org/issue/39974: test packages should have the Module field populated.
go list -test -f '{{.ImportPath}}{{with .Module}}: {{.Path}}{{end}}'
stdout -count=4 '^.' # 4 lines
stdout '^m: m$'
stdout '^m\.test: m$'
stdout '^m \[m\.test\]: m$'
stdout '^m_test \[m\.test\]: m$'

-- go.mod --
module m

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