Function generateNonPersistentId

test/lib/testHelper.js:3356–3358

(prefix)

    // It may be changed by test case changing. Do not use it as a persistent id.
    var _idBase = 1;
    function generateNonPersistentId(prefix) {
        return (prefix || '') + '' + (_idBase++);
    }

    function VideoRecorder(chart) {
        this.start = startRecording;