Disable test for version

Index: cmd/gdu/app/app_test.go
--- cmd/gdu/app/app_test.go.orig
+++ cmd/gdu/app/app_test.go
@@ -25,18 +25,6 @@ func init() {
 	log.SetLevel(log.WarnLevel)
 }
 
-func TestVersion(t *testing.T) {
-	out, err := runApp(
-		&Flags{ShowVersion: true},
-		[]string{},
-		false,
-		testdev.DevicesInfoGetterMock{},
-	)
-
-	assert.Contains(t, out, "Version:\t development")
-	assert.Nil(t, err)
-}
-
 func TestShouldRunInNonInteractiveModeInteractiveOverridesNoTTY(t *testing.T) {
 	flags := &Flags{Interactive: true}
 
