<script src="lib/Test.js">
<script>

    new Test().add([
        testCase1,
        testCase2,
    ]).run(function(err, test) {
        if (1) {
            err || test.worker(function(err, test) {
                if (!err && typeof Module_ !== "undefined") {
                    var name = Test.swap(Module, Module_);

                    new Test(test).run(function(err, test) {
                        Test.undo(name);
                    });
                }
            });
        }
    });

</script>

importScripts("lib/Test.js");

    ...

var Test = require("lib/Test.js");

    ...