[PATCH 4/7] helper_test: reorder DummyTUN functions to follow interface order

[Simon Ruderich]

No code change. Makes it easier to compare the implementation with the
interface.

---
 src/helper_test.go | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/helper_test.go b/src/helper_test.go
index 8548121..46bb782 100644
--- a/src/helper_test.go
+++ b/src/helper_test.go
@@ -20,12 +20,10 @@ func (tun *DummyTUN) File() *os.File {
 	return nil
 }
 
-func (tun *DummyTUN) Name() string {
-	return tun.name
-}
-
-func (tun *DummyTUN) MTU() (int, error) {
-	return tun.mtu, nil
+func (tun *DummyTUN) Read(d []byte) (int, error) {
+	t := <-tun.packets
+	copy(d, t)
+	return len(t), nil
 }
 
 func (tun *DummyTUN) Write(d []byte) (int, error) {
@@ -33,18 +31,20 @@ func (tun *DummyTUN) Write(d []byte) (int, error) {
 	return len(d), nil
 }
 
-func (tun *DummyTUN) Close() error {
-	return nil
+func (tun *DummyTUN) MTU() (int, error) {
+	return tun.mtu, nil
+}
+
+func (tun *DummyTUN) Name() string {
+	return tun.name
 }
 
 func (tun *DummyTUN) Events() chan TUNEvent {
 	return tun.events
 }
 
-func (tun *DummyTUN) Read(d []byte) (int, error) {
-	t := <-tun.packets
-	copy(d, t)
-	return len(t), nil
+func (tun *DummyTUN) Close() error {
+	return nil
 }
 
 func CreateDummyTUN(name string) (TUNDevice, error) {
-- 
2.15.1