enh(test): add tests for a real world application
Description
A real world application could use some tests.
Functional specifications
There are more tests on the code used on the real world application.
Technical specifications
Try to create new unit tests on the parts of Sight the real world application depends on: data, module_appXml, module_activity, module_ui_base, module_viz_scene3dQt, module_service, module_ui_viz, module_ui_flaticons, module_io_session, module_data, module_sync, module_io_video, module_ui_qt, core, io_base, service, ui_qt, ui_base, activity, module_viz_scene3d, viz_scene3d, geometry_data, io_session, io_zip, viz_base, io_vtk, io_dicom, filter_dicom.
Test plan
Run the new tests.