func TestFields_OrderedKeys(t *testing.T) {
fields := log.Fields{
"second": 1,
"first": 3,
"ant": 4,
"third": 2,
}
actual := fields.OrderedKeys()
expected := []string{"ant", "first", "second", "third"}
if !reflect.DeepEqual(actual, expected) {
t.Errorf(`Fields.OrderedKeys() => %#v; want %#v`, actual, expected)
}
}
