dexOf("base-palette"), -1);
    assert_equals(rule.basePalette, "");
});

test(function() {
    let text = rules[4].cssText;
    let rule = rules[4];
    assert_equals(text.indexOf("base-palette"), -1);
    assert_equals(rule.basePalette, "");
});

test(function() {
    let text = rules[5].cssText;
    let rule = rules[5];
    assert_equals(text.indexOf("base-palette"), -1);
    assert_equals(rule.basePalette, "");
});

test(function() {
    let text = rules[6].cssText;
    let rule = rules[6];
    assert_e