diff --git a/src/blenderbim/test/bim/bootstrap.py b/src/blenderbim/test/bim/bootstrap.py
index 8b3392e073..f57d35bcde 100644
--- a/src/blenderbim/test/bim/bootstrap.py
+++ b/src/blenderbim/test/bim/bootstrap.py
@@ -37,6 +37,9 @@ class NewFile:
     def setup(self):
         IfcStore.purge()
         bpy.ops.wm.read_homefile(app_template="")
+        while bpy.data.objects:
+            bpy.data.objects.remove(bpy.data.objects[0])
+        bpy.ops.outliner.orphans_purge(do_local_ids=True, do_linked_ids=True, do_recursive=True)
 
 
 def scenario(function):
diff --git a/src/blenderbim/test/bim/module/root/test_operator.py b/src/blenderbim/test/bim/module/root/test_operator.py
index e43a6c1688..554b5c7003 100644
--- a/src/blenderbim/test/bim/module/root/test_operator.py
+++ b/src/blenderbim/test/bim/module/root/test_operator.py
@@ -24,6 +24,7 @@ class TestAssignClass(test.bim.bootstrap.NewFile):
     def test_assigning_a_class_to_a_cube(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"
@@ -36,6 +37,7 @@ class TestAssignClass(test.bim.bootstrap.NewFile):
     def test_assigning_a_type_class_to_a_cube(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_product" to "IfcElementType"
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWallType"
@@ -49,6 +51,7 @@ class TestAssignClass(test.bim.bootstrap.NewFile):
     def test_assigning_a_spatial_class_to_a_cube(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_product" to "IfcSpatialElement"
         And I set "scene.BIMRootProperties.ifc_class" to "IfcBuilding"
@@ -62,6 +65,7 @@ class TestAssignClass(test.bim.bootstrap.NewFile):
     def test_assigning_an_opening_class_to_a_cube(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_product" to "IfcElement"
         And I set "scene.BIMRootProperties.ifc_class" to "IfcOpeningElement"
@@ -76,6 +80,7 @@ class TestAssignClass(test.bim.bootstrap.NewFile):
     def test_assigning_a_class_to_a_cube_in_a_collection(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And the object "Cube" is placed in the collection "IfcBuildingStorey/My Storey"
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
@@ -89,6 +94,7 @@ class TestCopyClass(test.bim.bootstrap.NewFile):
     def test_copying_a_wall(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"
@@ -112,6 +118,7 @@ class TestCopyClass(test.bim.bootstrap.NewFile):
     def test_copying_an_opening(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"
diff --git a/src/blenderbim/test/bim/module/sequence/test_operator.py b/src/blenderbim/test/bim/module/sequence/test_operator.py
index a46be62aa0..81fa457ae1 100644
--- a/src/blenderbim/test/bim/module/sequence/test_operator.py
+++ b/src/blenderbim/test/bim/module/sequence/test_operator.py
@@ -52,6 +52,7 @@ class TestVisualiseWorkScheduleDateRange(test.bim.bootstrap.NewFile):
         And I set "scene.BIMWorkScheduleProperties.task_time_attributes.get("ScheduleStart").string_value" to "2021-01-02"
         And I set "scene.BIMWorkScheduleProperties.task_time_attributes.get("ScheduleFinish").string_value" to "2021-01-06"
         And I press "bim.edit_task_time"
+        And I add a cube
         And the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"
@@ -88,6 +89,7 @@ class TestVisualiseWorkScheduleDateRange(test.bim.bootstrap.NewFile):
         And I set "scene.BIMWorkScheduleProperties.task_time_attributes.get("ScheduleStart").string_value" to "2021-01-02"
         And I set "scene.BIMWorkScheduleProperties.task_time_attributes.get("ScheduleFinish").string_value" to "2021-01-06"
         And I press "bim.edit_task_time"
+        And I add a cube
         And the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"
@@ -127,6 +129,7 @@ class TestVisualiseWorkScheduleDateRange(test.bim.bootstrap.NewFile):
         And I set "scene.BIMWorkScheduleProperties.task_time_attributes.get("ScheduleStart").string_value" to "2021-01-02"
         And I set "scene.BIMWorkScheduleProperties.task_time_attributes.get("ScheduleFinish").string_value" to "2021-01-06"
         And I press "bim.edit_task_time"
+        And I add a cube
         And the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"
@@ -211,6 +214,7 @@ class TestVisualiseWorkScheduleDateRange(test.bim.bootstrap.NewFile):
         And I set "scene.BIMWorkScheduleProperties.task_time_attributes.get("ScheduleStart").string_value" to "2021-01-02"
         And I set "scene.BIMWorkScheduleProperties.task_time_attributes.get("ScheduleFinish").string_value" to "2021-01-06"
         And I press "bim.edit_task_time"
+        And I add a cube
         And the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"
diff --git a/src/blenderbim/test/bim/module/void/test_operator.py b/src/blenderbim/test/bim/module/void/test_operator.py
index 3e4997438a..96cba2d83e 100644
--- a/src/blenderbim/test/bim/module/void/test_operator.py
+++ b/src/blenderbim/test/bim/module/void/test_operator.py
@@ -24,6 +24,7 @@ class TestAddOpening(test.bim.bootstrap.NewFile):
     def test_adding_an_opening(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"
@@ -43,6 +44,7 @@ class TestRemoveOpening(test.bim.bootstrap.NewFile):
     def test_removing_an_opening_manually(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"
@@ -60,6 +62,7 @@ class TestRemoveOpening(test.bim.bootstrap.NewFile):
     def test_removing_a_non_dynamic_opening_manually(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"
@@ -80,6 +83,7 @@ class TestRemoveOpening(test.bim.bootstrap.NewFile):
     def test_removing_an_opening_using_deletion(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"
@@ -97,6 +101,7 @@ class TestRemoveOpening(test.bim.bootstrap.NewFile):
     def test_removing_an_opening_indirectly_by_deleting_its_building_element(self):
         return """
         Given an empty IFC project
+        Given I add a cube
         When the object "Cube" is selected
         And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
         And I press "bim.assign_class"