git: openjdk/jdk: 8284993: Replace System.exit call in swing tests with RuntimeException

[Prasanta Sadhukhan]

Changeset: 80219a48
Author:    Prasanta Sadhukhan <psadhukhan at openjdk.org>
Date:      2022-04-22 06:48:01 +0000
URL:       https://git.openjdk.java.net/jdk/commit/80219a48c34719263cd41dacd02ba19dd39b1b27

8284993: Replace System.exit call in swing tests with RuntimeException

Reviewed-by: azvegint

! test/jdk/javax/swing/JComboBox/8019180/Test8019180.java
! test/jdk/javax/swing/JFileChooser/8013442/Test8013442.java
! test/jdk/javax/swing/plaf/basic/BasicTabbedPaneUI/Test6943780.java
! test/jdk/javax/swing/plaf/synth/Test8015926.java
! test/jdk/javax/swing/text/AbstractDocument/6968363/Test6968363.java
! test/jdk/javax/swing/text/html/parser/Test8017492.java