Testsuite:Swing Manual
Test name(s):Swing_JToolBar/Manual/JToolBarLAFTest/JToolBarLAFTest1
Product(s) tested: JDK11 b22(64bit)
OS/architecture: ubuntu18.04-x64

Actual results:
step2:There is no toolbar border painted in GTK LookAndFeel.refer to Toolbar-GTK.png.
The correct display refer to Toolbar_correct.png

Verification:
jdk11b21 on the same Platform:Failed
jdk11b20 on the same Platform:Failed
jdk11b09 on the same Platform:Failed
jdk11b07 on the same Platform:Failed
jdk11b06 on the same Platform:Passed
jdk11b05 on the same Platform:Passed
jdk11b02 on the same Platform:Passed