function init(DomainManager) {
        _domainManager = DomainManager;
        if (!_domainManager.hasDomain("test")) {
            _domainManager.registerDomain("test", {major: 0, minor: 1});
        }
        _domainManager.registerCommand(
            "test",
            "reverseAsync",
            cmdTestReverseAsync,
            true,
            "reverses the specified string using an async call on the server",
            [{name: "s", type: "string"}],
            [{name: "reversedString", type: "string"}]
        );
        _domainManager.registerCommand(
            "test",
            "reverseAsyncWithProgress",
            cmdTestReverseAsyncWithProgress,
            true,
            "reverses the specified string using an async call on the server and calls a progress event before",
            [{name: "s", type: "string"}],
            [{name: "reversedString", type: "string"}]
        );
    }
Initializes the test domain with an additional test command.
@param {DomainManager} DomainManager The DomainManager for the server