handle | time axis | x snap | init value: '2017-04-12' | tooltip not show | inside data zoom | animation auto | check blank

handle | category | check resize | should trigger hightlight | should link

press button: show tip, release button: hide tip

handle | value axis | x snap, y not-snap | has init handle value | tooltip.alwaysShowContent | y handle tooltip position should not overflow axispointer line | image icon

single coordinate system handle | tooltip time label should be consistent with axisPinter.label.formatter

setOption in not merge mode: (1) drag handle (2) click the eye. Check: handle should be normal