Added some brim tests for basic functionality.
Added some brim tests for basic functionality.

lordofhyphens/Slic3r,lordofhyphens/Slic3r,alexrj/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,curieos/Slic3r,pieis2pi/Slic3r,alexrj/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,lordofhyphens/Slic3r,alexrj/Slic3r,curieos/Slic3r,pieis2pi/Slic3r,curieos/Slic3r,alexrj/Slic3r,curieos/Slic3r,alexrj/Slic3r,pieis2pi/Slic3r,curieos/Slic3r,alexrj/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,curieos/Slic3r