}
}

func TestToString(t *testing.T) {
	if got, want := ToString(testErrs, defaultSeparator), wantStr; got != want {
		t.Errorf("got: %s, want: %s", got, want)
	}
}

func TestNewErrs(t *testing.T) {
	errs := NewErrs(nil)
	if errs != nil {
		t.Errorf("got: %s, want: nil", errs)
	}

	errs = NewErrs(fmt.Errorf("err1"))
	if got, want := errs.String(), "err1"; got != want {