RFR: 8314779: [testbug] Add test to all the XYCharts to check if chart components are removed when series is cleared

[Ajit Ghaisas]

On Mon, 4 Sep 2023 13:15:47 GMT, Karthik P K <kpk at openjdk.org> wrote:

> Added test: `testChartLineAndAreaRemovedOnClearingSeries()` for `StackedAreaChart` to check if the line and fill elements gets removed from the series on clearing the series. This test is added similar to the tests added to `LineChart` and `AreaChart`.
> This test is not required for `BarChart`, `BubbleChart` and `ScatterChart` as no node will added to the series in these charts.

New test addition looks good to me.

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Marked as reviewed by aghaisas (Reviewer).

PR Review: https://git.openjdk.org/jfx/pull/1231#pullrequestreview-1610682711