docstr: The mask of a 3-d image should be 2-d
docstr_tok: ["The","mask","of","a","3-d","image","should","be","2-d"]
code: def test_mask_of3D(self):
      """The mask of a 3-d image should be 2-d"""
      x = cellprofiler_core.image.Image()
      x.image = numpy.ones((10, 10, 3))
      assert x.mask.ndim == 2
  
imports: import math
  import numpy
  import cellprofiler_core.image
label_desc: Use image node_id 7 for calling the TestImage obj's underlying member method code with example usage: obj.test_mask_of3D() without return types