it("must return preferred tech if supported and available", function () {
        var settings = {preferredTech: 'flash'};
        var vastResponse = new VASTResponse();
        vastResponse._addMediaFiles([createMediaFile('http://fakeVideoFile', FLASH_APP_MIME), createMediaFile('http://anotherFakeVideoFile', JS_APP_MIME)]);
        assert.instanceOf(vpaidIntegrator._findSupportedTech(vastResponse, settings), VPAIDFlashTech);