RFR: 8315600: Open source few more headless Swing misc tests

[Andrey Turbanov]

On Wed, 6 Sep 2023 07:12:55 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> Few more closed swing headless tests are opensourced

test/jdk/javax/swing/tree/FixedHeightLayoutCache/bug4210354.java line 80:

> 78:                 throw new RuntimeException("Test failed");
> 79:             }
> 80:         } catch(Exception e) {

Suggestion:

        } catch (Exception e) {

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PR Review Comment: https://git.openjdk.org/jdk/pull/15582#discussion_r1317030144