In order to test that Apertis is capable of handling power loss, the tests from from GLib test suite to ensure that the robustness features built into these libraries can be verified to be working.
GLib/GIO
The GIO library within GLib is the standard way to do file handling, I/O, etc. It also has a set of functional tests for all the features provided by the library. Out of these, the subset of GIO tests that deal with local I/O have been integrated into the image testing.