function createUnidirectionalCompositor(t) {
    return {
        sendEvent: function () {
            t.fail('DOMRenderer should not send delegated events for a static DOM tree');
        }
    };
}
Helpers method used for creating a mock compositor that fails on received
events. Used for ensuring that certain DOMRenderer methods don't (directly
or indirectly) trigger DOM events.

@method createUnidirectionalCompositor
@private

@param  {tape} t tape-test object
@return {Object} mock compositor