config/source/cli: fix tests (#1179)

* config/source/cli: fix tests
* skip mdns test in travis

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

config/source/cli/cli_test.go

@@ -17,7 +17,7 @@ func TestCliSourceDefault(t *testing.T) {
 
 	service := micro.NewService(
 		micro.Flags(
-			// to be able to run insude go test
+			// to be able to run inside go test
 			&cli.StringFlag{
 				Name: "test.timeout",
 			},
@@ -27,6 +27,9 @@ func TestCliSourceDefault(t *testing.T) {
 			&cli.StringFlag{
 				Name: "test.run",
 			},
+			&cli.StringFlag{
+				Name: "test.testlogfile",
+			},
 			&cli.StringFlag{
 				Name:    "flag",
 				Usage:   "It changes something",