Function assert_true

test/fixtures/wpt/resources/testharness.js:1543–1547

* Assert that ``actual`` is strictly true * * @param {Any} actual - Value that is asserted to be true * @param {string} [description] - Description of the condition being tested

(actual, description)

     * @param {string} [description] - Description of the condition being tested
     */
    function assert_true(actual, description)
    {
        assert(actual === true, "assert_true", description,
                                "expected true got ${actual}", {actual:actual});
    }
    expose_assert(assert_true, "assert_true");

    /**