cd main
godebugtester run -work main.go
fail contains stdout "\"Fa\"\n"
fail contains stdout "\"Fb\"\n"
contains stdout "\"Fc\"\n"

-- main/go.mod --
module mod1
require example.com/pkg1 v0.0.0
replace example.com/pkg1 => ../pkg1
-- main/main.go --
package main
import "example.com/pkg1"
import "example.com/pkg1/sub1"
//godebug:annotatepackage:example.com/pkg1/sub1
func main() {
	_=pkg1.Fa()
	_=pkg1.Fb()
	_=sub1.Fc()
}
-- pkg1/go.mod --
module example.com/pkg1
-- pkg1/fa.go --
package pkg1
func Fa() string {
	return "Fa"
}
-- pkg1/fb.go --
package pkg1
func Fb() string {
	return "Fb"
}
-- pkg1/sub1/fc.go --
package sub1
func Fc() string {
	return "Fc"
}