Binary package “libglib2.0-tests” in ubuntu bionic

GLib library of C routines - installed tests

 GLib is a library containing many useful C routines for things such
 as trees, hashes, lists, and strings. It is a useful general-purpose
 C library used by projects such as GTK+, GIMP, and GNOME.
 .
 This package contains test programs, designed to be run as part of a
 regression testsuite.