Binary package “gtk-4-tests” in ubuntu kinetic

"as-installed" tests for GTK 4

 GTK is a multi-platform toolkit for creating graphical user
 interfaces. Offering a complete set of widgets, GTK is suitable
 for projects ranging from small one-off tools to complete application
 suites.
 .
 This package contains installable test programs, primarily for use with
 autopkgtest.