The storey is now the default container when starting a project for convenience.

src/blenderbim/test/core/test_project.py

@@ -63,6 +63,7 @@ class TestCreateProject:
         project.run_aggregate_assign_object(relating_obj="building", related_obj="storey").should_be_called()
 
         project.set_context("body").should_be_called()
+        project.set_active_spatial_element("storey").should_be_called()
 
         subject.create_project(ifc, project, schema="IFC4", template=None)
 
@@ -103,6 +104,7 @@ class TestCreateProject:
         project.run_aggregate_assign_object(relating_obj="building", related_obj="storey").should_be_called()
 
         project.set_context("body").should_be_called()
+        project.set_active_spatial_element("storey").should_be_called()
 
         project.append_all_types_from_template("template").should_be_called()
 
@@ -152,5 +154,6 @@ class TestCreateProject:
         project.run_aggregate_assign_object(relating_obj="building", related_obj="storey").should_be_called()
 
         project.set_context("body").should_be_called()
+        project.set_active_spatial_element("storey").should_be_called()
 
         subject.create_project(ifc, project, schema="IFC2X3", template=None)

src/blenderbim/test/tool/test_project.py

@@ -82,6 +82,18 @@ class TestRunUnitAssignSceneUnits(NewFile):
         pass
 
 
+class TestSetActiveSpatialElement(NewFile):
+    def test_run(self):
+        obj = bpy.data.objects.new("Foo", None)
+        collection = bpy.data.collections.new("Foo")
+        bpy.context.scene.collection.children.link(collection)
+        collection.objects.link(obj)
+        layer = bpy.context.view_layer.layer_collection.children["Foo"]
+        assert bpy.context.view_layer.active_layer_collection != layer
+        subject.set_active_spatial_element(obj)
+        assert bpy.context.view_layer.active_layer_collection == layer
+
+
 class TestSetContext(NewFile):
     def test_run(self):
         ifc = ifcopenshell.file()