more tests for ifc2x3

src/ifcopenshell-python/test/api/cost/test_add_cost_item.py

@@ -18,6 +18,7 @@
 
 import test.bootstrap
 import ifcopenshell.api
+import ifcopenshell.util.element
 
 
 class TestAddCostItem(test.bootstrap.IFC4):
@@ -33,4 +34,8 @@ class TestAddCostItem(test.bootstrap.IFC4):
         item1 = ifcopenshell.api.run("cost.add_cost_item", self.file, cost_schedule=schedule)
         item2 = ifcopenshell.api.run("cost.add_cost_item", self.file, cost_item=item1)
         assert item2.is_a("IfcCostItem")
-        assert item2.Nests[0].RelatingObject == item1
+        assert ifcopenshell.util.element.get_nest(item2) == item1
+
+
+class TestAddCostItemIFC2X3(test.bootstrap.IFC2X3, TestAddCostItem):
+    pass

src/ifcopenshell-python/test/api/cost/test_add_cost_schedule.py

@@ -33,3 +33,7 @@ class TestAddCostSchedule(test.bootstrap.IFC4):
         assert schedule.Name == "Foo"
         assert schedule.PredefinedType == "USERDEFINED"
         assert schedule.ObjectType == "FOO"
+
+
+class TestAddCostScheduleIFC2X3(test.bootstrap.IFC2X3, TestAddCostSchedule):
+    pass

src/ifcopenshell-python/test/api/cost/test_remove_cost_item.py

@@ -45,3 +45,7 @@ class TestRemoveCostItem(test.bootstrap.IFC4):
         assert not self.file.by_type("IfcCostItem")
         assert not self.file.by_type("IfcRelAssignsToControl")
         assert not self.file.by_type("IfcRelNests")
+
+
+class TestRemoveCostItemIFC2X3(test.bootstrap.IFC2X3, TestRemoveCostItem):
+    pass

src/ifcopenshell-python/test/api/cost/test_remove_cost_schedule.py

@@ -35,3 +35,7 @@ class TestRemoveCostSchedule(test.bootstrap.IFC4):
         assert not self.file.by_type("IfcCostItem")
         assert not self.file.by_type("IfcRelNests")
         assert not self.file.by_type("IfcRelAssignsToControl")
+
+
+class TestRemoveCostSchedule(test.bootstrap.IFC2X3, TestRemoveCostSchedule):
+    pass