ssert_equals(text.indexOf("override-colors"), -1);
    assert_equals(rule.basePalette, "");
    assert_equals(rule.overrideColors, "");
});

test(function() {
    let text = rules[15].cssText;
    let rule = rules[15];
    assert_equals(text.indexOf("base-palette"), -1);
    assert_equals(text.indexOf("override-colors"), -1);
    assert_equals(rule.basePalette, "");
    assert_equals(rule.overrideColors, "");
});

test(function() {
    let text = rules[16].cssText;
    let rule = rules[16];
    assert_equal