RFR: 8293444: Creating ScrollPane with same content component causes memory leak [v2]

[Andy Goryachev]

On Wed, 28 Sep 2022 10:16:47 GMT, Florian Kirmaier <fkirmaier at openjdk.org> wrote:

> A small comment about the memory test with [JMemoryBuddy](https://github.com/Sandec/JMemoryBuddy).

Thank you for suggestion.  I will definitely use it in other tests!
Here it won't work because in the part of the test one instance is expected to remain uncollected.

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PR: https://git.openjdk.org/jfx/pull/900