env GO111MODULE=off

# Test that a main_test of 'package main' imports the package,
# not the installed binary.

[short] skip

env GOBIN=$WORK/bin
go test main_test
go install main_test

go list -f '{{.Stale}}' main_test
stdout false

go test main_test

-- main_test/m.go --
package main

func F()    {}
func main() {}
-- main_test/m_test.go --
package main_test

import (
	. "main_test"
	"testing"
)

func Test1(t *testing.T) {
	F()
}