This test checks the quick fix to add a missing "embed" import.

-- embed.txt --
text
-- fix_import.go --
package embeddirective

import (
	"io"
	"os"
)

//go:embed embed.txt //@quickfix("//go:embed", re`must import "embed"`, fix_import)
var t string

func unused() {
	_ = os.Stdin
	_ = io.EOF
}
-- @fix_import/fix_import.go --
@@ -4 +4 @@
+	_ "embed"
