env GO111MODULE=off [!compiler:gc] skip # 'go list' should report imports from _test.go in the TestImports field. go list -f '{{.TestImports}}' stdout net/http # from .TestImports # 'go list' should report standard-vendored packages by path. go list -f '{{.Dir}}' vendor/golang.org/x/net/http2/hpack stdout $GOROOT[/\\]src[/\\]vendor # 'go list -test' should report vendored transitive dependencies of _test.go # imports in the Deps field, with a 'vendor' prefix on their import paths. go list -test -f '{{.Deps}}' stdout golang.org/x/crypto # dep of .TestImports # Packages outside the standard library should not use its copy of vendored packages. cd broken ! go build stderr 'cannot find package' -- go.mod -- module m -- x.go -- package x -- x_test.go -- package x import "testing" import _ "net/http" func Test(t *testing.T) {} -- broken/go.mod -- module broken -- broken/http.go -- package broken import ( _ "net/http" _ "golang.org/x/net/http/httpproxy" )