Manual JCK test api/javax_swing/interactive/JSliderTests.html#JSlider[JSliderTest0010] fail with Nimbus LaF.
Tests check setPaintTrack(boolean) method of the class JSlider.
Test needs to do the track of the slider to become visible/invisible. It works without Nimbus LaF and has no effect with Nimbus.

source of the test:
http://stt-13.russia/set/stt/jck_promotions/6b/b24/binaries/JCK-runtime-6b/tests/api/javax_swing/interactive/JSliderTests.html