# Wrong import path
env GO111MODULE=off
! go build vend/x/invalid
stderr 'must be imported as foo'

env GO111MODULE=
cd vend/x/invalid
! go build vend/x/invalid
stderr 'must be imported as foo'

-- vend/x/invalid/go.mod --
module vend/x/invalid

go 1.16

-- vend/x/invalid/invalid.go --
package invalid

import "vend/x/invalid/vendor/foo"