def METHOD_NAME(self):
    # Set up a 2d lat-lon cube with 2d coordinates that have been
    # transformed so they are not in a regular lat-lon grid.
    # Then generate a discontiguity at a single lat-lon point.
    # Discontiguities will be caused at the rightmost bounds.
    self.testcube_discontig_right = full2d_global()
    make_bounds_discontiguous_at_point(self.testcube_discontig_right, 3, 3)
    # Repeat for a discontiguity on the leftmost bounds.
    self.testcube_discontig_left = full2d_global()
    make_bounds_discontiguous_at_point(
        self.testcube_discontig_left, 2, 4, upper=False
    )
    # Repeat for a discontiguity on the topmost bounds.
    self.testcube_discontig_top = full2d_global()
    make_bounds_discontiguous_at_point(
        self.testcube_discontig_top, 2, 4, in_y=True
    )
    # Repeat for a discontiguity on the botommost bounds.
    self.testcube_discontig_along_bottom = full2d_global()
    make_bounds_discontiguous_at_point(
        self.testcube_discontig_along_bottom, 2, 4, in_y=True, upper=False
    )