When the parent container has the CSS property `overflow` set to values `auto` or `scroll` (for example when used within `.table-responsive`) the tooltip has weird flickering behaviour.
When the parent container has the CSS property `overflow` set to values `auto` or `scroll` (for example when used within `.table-responsive`) the tooltip's placement changes to `bottom` but still keeps original placement's positioning.
The solution is to set the `boundary` option to anything other than default value `'scrollParent'`. For example, set it to `'window'`:
