Testsuite name: Regression manual
Test name(s): javax/swing/JTabbedPane/4690946/bug4690946.java
Product(s) tested: JDK11.0.5b01(64bit)
OS/architecture: Oel7.6-uek-x64/Jtreg4.2b14
Options:-Dswing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel

Actual behavior:
1.The background color of the tabbed pane is not red.Please refer to default-with-options.png
2.When the opaque checkbox is unchecked,the tabs area and content area is not opaque .Please refer to default-with-options.png
3.When the opaque checkbox is checked,the content area is not opaque and the selected tab is not gray.Please refer to opaque-with-options.png
4.There is no such issue without options.Please refer to default-no-options.png and opaque-no-options.png