Add disjoint test

Author: robbievanleeuwen

sectionproperties/tests/test_sections.py

@@ -445,6 +445,9 @@ def test_check_geometry_disjoint():
     assert check_geometry_disjoint([rect.geom, circ.geom]) == True
     assert check_geometry_overlaps([small_sq.geom, small_hole.geom]) == True
 
+    rect2 = rectangular_section(d=50, b=50).shift_section(x_offset=50)
+    assert check_geometry_disjoint([rect.geom, rect2.geom]) == False
+
 
 def test_warping_disjoint_warning():
     rect = rectangular_section(d=50, b=50)