// Dragging one element to another.
        await browser.actions().mouseDown(source).perform();
        await browser.sleep(PageHelper.timeout.xs);
        await browser.actions()
            .mouseMove(destination, { x: 0, y: -25 })
            .mouseMove(destination, { x: 0, y: -15 })
            .mouseMove(destination, { x: 0, y: -5 }).perform();
        await browser.sleep(PageHelper.timeout.xs);
        await browser.actions().mouseUp().perform();
        await browser.sleep(PageHelper.timeout.xs);