function cleanup(oModel, oMockServer, fnDone) {
		setTimeout(function() {
			oModel.destroy();
			oMockServer.destroy();
			fnDone();
		}, 0);
	}
Destroys after a timeout the given model and mock server and calls the given function to end the test.

@param {sap.ui.model.Model} oModel The model to be destroyed
@param {sap.ui.core.util.MockServer} oMockServer The mock server to be destroyed
@param {function} fnDone The callback function to end an async test