failing test due to missing crop volume module

[pieper]

http://trunk.cdash.org/testDetails.php?test=6148611&build=407511

test_widgetRepresentation (qSlicerLandmarkRegistrationModuleGenericTest.qSlicerLandmarkRegistrationModuleGenericTest) ... Traceback (most recent call last):
  File "/Users/kitware/Dashboards/Continuous/Slicer-0-build/Slicer-build/lib/Slicer-4.4/qt-scripted-modules/LandmarkRegistration.py", line 63, in __init__
    self.logic = LandmarkRegistrationLogic()
  File "/Users/kitware/Dashboards/Continuous/Slicer-0-build/Slicer-build/lib/Slicer-4.4/qt-scripted-modules/LandmarkRegistration.py", line 698, in __init__
    self.cropLogic = slicer.modules.cropvolume.logic()
AttributeError: 'module' object has no attribute 'cropvolume'