Mark failing unit tests as @work_in_progress
Mark failing unit tests as @work_in_progress

See issues #405 and #406
nickvandewiele/RMG-Py,nyee/RMG-Py,nickvandewiele/RMG-Py,pierrelb/RMG-Py,nyee/RMG-Py,pierrelb/RMG-Py,chatelak/RMG-Py,chatelak/RMG-Py