diff --git a/.gitignore b/.gitignore
index 371a4bba9b..c95faa97a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -84,6 +84,9 @@ src/ifcopenshell-python/test/build
 # blenderbim libs
 src/blenderbim/blenderbim/libs
 
+# blenderbim test temp files
+src/blenderbim/test/files/temp
+
 # ifcopenshell swig and compiled files
 src/ifcopenshell-python/ifcopenshell/_ifcopenshell_wrapper.so
 src/ifcopenshell-python/ifcopenshell/ifcopenshell_wrapper.py
diff --git a/src/blenderbim/test/bim/feature/geometry.feature b/src/blenderbim/test/bim/feature/geometry.feature
index 40bc91439f..49bd1b548e 100644
--- a/src/blenderbim/test/bim/feature/geometry.feature
+++ b/src/blenderbim/test/bim/feature/geometry.feature
@@ -87,7 +87,7 @@ Scenario: Switch representation - current edited representation is updated prior
     And I press "bim.switch_representation(ifc_definition_id={representation}, should_reload=True)"
     And the variable "representation" is "[r for r in {ifc}.by_type('IfcShapeRepresentation') if r.RepresentationType=='Annotation2D'][0].id()"
     And I press "bim.switch_representation(ifc_definition_id={representation}, should_reload=True)"
-    When I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    When I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
     Then the object "IfcWall/Cube" dimensions are "4,4,0"
 
 Scenario: Switch representation - current edited representation is discarded if switching to a box
@@ -101,7 +101,7 @@ Scenario: Switch representation - current edited representation is discarded if
     And I press "bim.switch_representation(obj='IfcWall/Cube', ifc_definition_id={representation}, should_reload=True)"
     And the variable "representation" is "{ifc}.by_type('IfcShapeRepresentation')[0].id()"
     And I press "bim.switch_representation(obj='IfcWall/Cube', ifc_definition_id={representation}, should_reload=True)"
-    When I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    When I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
     Then the object "IfcWall/Cube" dimensions are "2,2,2"
 
 Scenario: Switch representation - existing Blender modifiers must be purged
@@ -316,9 +316,9 @@ Scenario: Override duplicate move - copying a coloured representation
     And the object "IfcWall/Cube" is selected
     And the material "Material" colour is set to "1,0,0,1"
     When I press "object.duplicate_move"
-    And I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    And I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
     And an empty Blender session is started
-    And I press "bim.load_project(filepath='{cwd}/test/files/export.ifc')"
+    And I press "bim.load_project(filepath='{cwd}/test/files/temp/export.ifc')"
     Then the material "Material" colour is "1,0,0,1"
     And the object "IfcWall/Cube" has the material "Material"
     And the object "IfcWall/Cube.001" has the material "Material"
diff --git a/src/blenderbim/test/bim/feature/patch.feature b/src/blenderbim/test/bim/feature/patch.feature
index e49065bb30..87e44d50ef 100644
--- a/src/blenderbim/test/bim/feature/patch.feature
+++ b/src/blenderbim/test/bim/feature/patch.feature
@@ -5,21 +5,21 @@ Scenario: Execute IFC Patch - file in memory
     Given an empty IFC project
     And I set "scene.BIMPatchProperties.ifc_patch_recipes" to "OffsetObjectPlacements"
     And I set "scene.BIMPatchProperties.should_load_from_memory" to "True"
-    And I set "scene.BIMPatchProperties.ifc_patch_output" to "{cwd}/test/files/basic-patched.ifc"
+    And I set "scene.BIMPatchProperties.ifc_patch_output" to "{cwd}/test/files/temp/basic-patched.ifc"
     And I set "scene.BIMPatchProperties.ifc_patch_args" to "[123454321,0,0,0]"
     When I press "bim.execute_ifc_patch(use_json_for_args=True)"
-    Then the file "{cwd}/test/files/basic-patched.ifc" should contain "123454321"
+    Then the file "{cwd}/test/files/temp/basic-patched.ifc" should contain "123454321"
 
 Scenario: Execute IFC Patch - file from disk
     Given an empty IFC project
     And I set "scene.BIMPatchProperties.ifc_patch_recipes" to "OffsetObjectPlacements"
     And I set "scene.BIMPatchProperties.ifc_patch_input" to "{cwd}/test/files/basic.ifc"
-    And I set "scene.BIMPatchProperties.ifc_patch_output" to "{cwd}/test/files/basic-patched.ifc"
+    And I set "scene.BIMPatchProperties.ifc_patch_output" to "{cwd}/test/files/temp/basic-patched.ifc"
     And I set "scene.BIMPatchProperties.ifc_patch_args" to "[123454321,0,0,0]"
     When I press "bim.execute_ifc_patch(use_json_for_args=True)"
-    Then the file "{cwd}/test/files/basic-patched.ifc" should contain "123454321"
+    Then the file "{cwd}/test/files/temp/basic-patched.ifc" should contain "123454321"
 
 Scenario: Run migrate patch
     Given an empty Blender session
-    When I press "bim.run_migrate_patch(infile='{cwd}/test/files/ifc2x3.ifc', outfile='{cwd}/test/files/ifc2x3-migrated.ifc', schema='IFC4')"
-    Then the file "{cwd}/test/files/ifc2x3-migrated.ifc" should contain "IFC4"
+    When I press "bim.run_migrate_patch(infile='{cwd}/test/files/ifc2x3.ifc', outfile='{cwd}/test/files/temp/ifc2x3-migrated.ifc', schema='IFC4')"
+    Then the file "{cwd}/test/files/temp/ifc2x3-migrated.ifc" should contain "IFC4"
diff --git a/src/blenderbim/test/bim/feature/project.feature b/src/blenderbim/test/bim/feature/project.feature
index efe3a539e1..d7ea9d5849 100644
--- a/src/blenderbim/test/bim/feature/project.feature
+++ b/src/blenderbim/test/bim/feature/project.feature
@@ -359,67 +359,67 @@ Scenario: Unlink IFC
 
 Scenario: Export IFC - blank project
     Given an empty IFC project
-    When I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    When I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
     Then nothing happens
 
 Scenario: Export IFC - with basic contents
     Given an empty Blender session
     And I press "bim.load_project(filepath='{cwd}/test/files/basic.ifc')"
-    When I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
-    Then "scene.BIMProperties.ifc_file" is "{cwd}/test/files/export.ifc"
+    When I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
+    Then "scene.BIMProperties.ifc_file" is "{cwd}/test/files/temp/export.ifc"
 
 Scenario: Export IFC - with basic contents and saving as another file
     Given an empty Blender session
     And I press "bim.load_project(filepath='{cwd}/test/files/basic.ifc')"
-    When I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc', should_save_as=True)"
-    Then "scene.BIMProperties.ifc_file" is "{cwd}/test/files/export.ifc"
+    When I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc', should_save_as=True)"
+    Then "scene.BIMProperties.ifc_file" is "{cwd}/test/files/temp/export.ifc"
 
 Scenario: Export IFC - with basic contents and saving as IfcJSON where import is not supported
     Given an empty Blender session
     And I press "bim.load_project(filepath='{cwd}/test/files/basic.ifc')"
-    When I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifcjson', should_save_as=True)"
+    When I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifcjson', should_save_as=True)"
     Then "scene.BIMProperties.ifc_file" is "{cwd}/test/files/basic.ifc"
 
 Scenario: Export IFC - with basic contents and round-tripping an IfcZip
     Given an empty Blender session
     And I press "bim.load_project(filepath='{cwd}/test/files/basic.ifc')"
-    When I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifczip', should_save_as=True)"
+    When I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifczip', should_save_as=True)"
     Then "scene.BIMProperties.ifc_file" is "{cwd}/test/files/basic.ifc"
     When an empty Blender session is started
-    And I press "bim.load_project(filepath='{cwd}/test/files/export.ifczip')"
+    And I press "bim.load_project(filepath='{cwd}/test/files/temp/export.ifczip')"
     Then the object "IfcProject/My Project" is an "IfcProject"
 
 Scenario: Export IFC - with basic contents and saving as a relative path
     Given an empty Blender session
     And I press "bim.load_project(filepath='{cwd}/test/files/basic.ifc')"
-    When I press "wm.save_mainfile(filepath='{cwd}/test/files/export.blend')"
-    And I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc', use_relative_path=True)"
+    When I press "wm.save_mainfile(filepath='{cwd}/test/files/temp/export.blend')"
+    And I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc', use_relative_path=True)"
     Then "scene.BIMProperties.ifc_file" is "export.ifc"
 
 Scenario: Export IFC - with deleted objects synchronised
     Given an empty IFC project
     When the object "IfcBuildingStorey/My Storey" is selected
     And I press "object.delete"
-    And I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    And I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
     And an empty Blender session is started
-    And I press "bim.load_project(filepath='{cwd}/test/files/export.ifc')"
+    And I press "bim.load_project(filepath='{cwd}/test/files/temp/export.ifc')"
     Then the object "IfcBuildingStorey/My Storey" does not exist
 
 Scenario: Export IFC - with moved object location synchronised
     Given an empty IFC project
     When the object "IfcBuildingStorey/My Storey" is moved to "0,0,1"
-    And I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    And I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
     And an empty Blender session is started
-    And I press "bim.load_project(filepath='{cwd}/test/files/export.ifc')"
+    And I press "bim.load_project(filepath='{cwd}/test/files/temp/export.ifc')"
     Then the object "IfcBuildingStorey/My Storey" is at "0,0,1"
 
 Scenario: Export IFC - with moved grid axis location synchronised
     Given an empty IFC project
     And I press "mesh.add_grid"
     When the object "IfcGridAxis/01" is moved to "1,0,0"
-    And I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    And I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
     And an empty Blender session is started
-    And I press "bim.load_project(filepath='{cwd}/test/files/export.ifc')"
+    And I press "bim.load_project(filepath='{cwd}/test/files/temp/export.ifc')"
     Then the object "IfcGridAxis/01" bottom left corner is at "1,-2,0"
 
 Scenario: Export IFC - with changed spatial container synchronised
@@ -427,9 +427,9 @@ Scenario: Export IFC - with changed spatial container synchronised
     And I press "bim.load_project(filepath='{cwd}/test/files/basic.ifc')"
     Then the object "IfcSlab/Slab" is in the collection "IfcBuildingStorey/Ground Floor"
     When the object "IfcSlab/Slab" is placed in the collection "IfcBuildingStorey/Level 1"
-    And I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    And I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
     And an empty Blender session is started
-    And I press "bim.load_project(filepath='{cwd}/test/files/export.ifc')"
+    And I press "bim.load_project(filepath='{cwd}/test/files/temp/export.ifc')"
     Then the object "IfcSlab/Slab" is in the collection "IfcBuildingStorey/Level 1"
 
 Scenario: Export IFC - with changed object scale synchronised
@@ -440,9 +440,9 @@ Scenario: Export IFC - with changed object scale synchronised
     And I press "bim.assign_class"
     And the object "IfcWall/Cube" is selected
     When the object "IfcWall/Cube" is scaled to "2"
-    And I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    And I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
     And an empty Blender session is started
-    And I press "bim.load_project(filepath='{cwd}/test/files/export.ifc')"
+    And I press "bim.load_project(filepath='{cwd}/test/files/temp/export.ifc')"
     Then the object "IfcWall/Cube" dimensions are "4,4,4"
 
 Scenario: Export IFC - with changed style colour synchronised
@@ -454,9 +454,9 @@ Scenario: Export IFC - with changed style colour synchronised
     And I press "bim.assign_class"
     And the object "IfcWall/Cube" is selected
     When the material "Material" colour is set to "1,0,0,1"
-    And I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    And I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
     And an empty Blender session is started
-    And I press "bim.load_project(filepath='{cwd}/test/files/export.ifc')"
+    And I press "bim.load_project(filepath='{cwd}/test/files/temp/export.ifc')"
     Then the material "Material" colour is "1,0,0,1"
 
 Scenario: Export IFC - with changed style element synchronised
@@ -469,7 +469,7 @@ Scenario: Export IFC - with changed style element synchronised
     And the object "IfcWall/Cube" is selected
     When I add a material
     And the material "Material.001" colour is set to "1,0,0,1"
-    And I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    And I press "export_ifc.bim(filepath='{cwd}/test/files/temp/export.ifc')"
     And an empty Blender session is started
-    And I press "bim.load_project(filepath='{cwd}/test/files/export.ifc')"
+    And I press "bim.load_project(filepath='{cwd}/test/files/temp/export.ifc')"
     Then the material "Material.001" colour is "1,0,0,1"
diff --git a/src/blenderbim/test/bim/test_feature.py b/src/blenderbim/test/bim/test_feature.py
index faf0f830b3..a59af93edd 100644
--- a/src/blenderbim/test/bim/test_feature.py
+++ b/src/blenderbim/test/bim/test_feature.py
@@ -722,7 +722,7 @@ def run_test_code():
 @when(parsers.parse("I save sample test files"))
 @then(parsers.parse("I save sample test files"))
 def saving_sample_test_files(and_open_in_blender=None):
-    filepath = f"{variables['cwd']}/test/files/sample_test_file"
+    filepath = f"{variables['cwd']}/test/files/temp/sample_test_file"
     blend_filepath = f"{filepath}.blend"
     bpy.ops.export_ifc.bim(filepath=f"{filepath}.ifc", should_save_as=True)
     bpy.ops.wm.save_as_mainfile(filepath=f"{filepath}.blend")
@@ -734,7 +734,7 @@ def saving_sample_test_files(and_open_in_blender=None):
 @then(parsers.parse("I save sample test files and open in blender"))
 def saving_sample_test_files_and_open_in_blender():
     saving_sample_test_files()
-    filepath = f"{variables['cwd']}/test/files/sample_test_file.blend"
+    filepath = f"{variables['cwd']}/test/files/temp/sample_test_file.blend"
     import subprocess
 
     subprocess.Popen([bpy.app.binary_path, f"{filepath}"])
diff --git a/src/blenderbim/test/tool/test_debug.py b/src/blenderbim/test/tool/test_debug.py
index 099a6ccd54..c54aea8118 100644
--- a/src/blenderbim/test/tool/test_debug.py
+++ b/src/blenderbim/test/tool/test_debug.py
@@ -34,16 +34,20 @@ class TestImplementsTool(NewFile):
 class TestAddSchemaIdentifier(NewFile):
     def test_run(self):
         cwd = os.path.dirname(os.path.realpath(__file__))
-        schema = subject.load_express(os.path.join(cwd, "..", "files", "test.exp"))
+        schema_path = os.path.join(cwd, "..", "files", "test.exp")
+        schema = subject.load_express(schema_path)
         subject.add_schema_identifier(schema)
         assert IfcStore.schema_identifiers[-1] == "IFCROGUE"
+        os.remove(schema_path + ".cache.dat")
 
 
 class TestLoadExpress(NewFile):
     def test_run(self):
         cwd = os.path.dirname(os.path.realpath(__file__))
-        schema = subject.load_express(os.path.join(cwd, "..", "files", "test.exp"))
+        schema_path = os.path.join(cwd, "..", "files", "test.exp")
+        schema = subject.load_express(schema_path)
         assert schema.schema_name == "IFCROGUE"
+        os.remove(schema_path + ".cache.dat")
 
 
 class TestPurgeHdf5Cache(NewFile):
diff --git a/src/blenderbim/test/tool/test_patch.py b/src/blenderbim/test/tool/test_patch.py
index 4c1d2b63fa..6bbdcf737e 100644
--- a/src/blenderbim/test/tool/test_patch.py
+++ b/src/blenderbim/test/tool/test_patch.py
@@ -34,7 +34,7 @@ class TestRunMigratePatch(NewFile):
     def test_run(self):
         cwd = os.path.dirname(os.path.realpath(__file__))
         infile = os.path.join(cwd, "..", "files", "ifc2x3.ifc")
-        outfile = os.path.join(cwd, "..", "files", "ifc2x3-migrated.ifc")
+        outfile = os.path.join(cwd, "..", "files", "temp", "ifc2x3-migrated.ifc")
         subject.run_migrate_patch(infile, outfile, "IFC4")
         ifc = ifcopenshell.open(outfile)
         assert ifc.schema == "IFC4"