Add a test to show dominikh/go-augeas#13

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

test.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"honnef.co/go/augeas"
+
+	"fmt"
+)
+
+func main() {
+	ag, err := augeas.New("/", "", augeas.None)
+	if err != nil {
+		panic(err)
+	}
+
+	err = ag.Set("/augeas/load/Xmgmt/lens", "Sshd.lns")
+	if err != nil {
+		panic("err on set lens")
+	}
+	err = ag.Set("/augeas/load/Xmgmt/incl", "/tmp/foo/bar")
+	if err != nil {
+		panic("err on set incl")
+	}
+	err = ag.Load()
+	if err != nil {
+		panic("err on load")
+	}
+	err = ag.Set("/files/tmp/foo/bar/X11Forwarding", "no")
+	if err != nil {
+		panic("err on set x11forward")
+	}
+	err = ag.Save()
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println("Done!")
+}