src/cmd/go/testdata/script/mod_dir.txt

# The directory named go.mod should be ignored

env GO111MODULE=on

cd $WORK/sub

go list .
stdout 'x/sub'

mkdir go.mod
exists go.mod

go list .
stdout 'x/sub'

-- $WORK/go.mod --
module x

-- $WORK/sub/x.go --
package x