NullPointerException in TestIssue1120 when run from TestChooser

[stephengold]

When run from the test chooser, TestIssue1120 in jme3-examples crashes:

Nov 28, 2021 1:10:12 AM com.jme3.app.LegacyApplication handleError
SEVERE: Uncaught exception thrown in Thread[jME3 Main,6,main]
java.lang.NullPointerException
	at jme3test.bullet.TestIssue1120.simpleInitApp(TestIssue1120.java:142)
	at com.jme3.app.SimpleApplication.initialize(SimpleApplication.java:240)
	at com.jme3.system.lwjgl.LwjglAbstractDisplay.initInThread(LwjglAbstractDisplay.java:139)
	at com.jme3.system.lwjgl.LwjglAbstractDisplay.run(LwjglAbstractDisplay.java:221)
	at java.lang.Thread.run(Thread.java:748)

The application's test field is null because it wasn't initialized. The initialization was placed in main(), which the test chooser never executes.

[bob0bob]

I submitted a pull request for this fix.