diff --git a/InvenTree/part/test_bom_item.py b/InvenTree/part/test_bom_item.py
index 5ce75d3657..7466277118 100644
--- a/InvenTree/part/test_bom_item.py
+++ b/InvenTree/part/test_bom_item.py
@@ -55,7 +55,7 @@ class BomItemTest(TestCase):
         with self.assertRaises(django_exceptions.ValidationError):
             # A validation error should be raised here
             item = BomItem.objects.create(part=self.bob, sub_part=self.bob, quantity=7)
-            item.clean()
+            item.clean()  # pragma: no cover
 
     def test_integer_quantity(self):
         """
diff --git a/InvenTree/part/test_category.py b/InvenTree/part/test_category.py
index 75261378b0..f25f0b87ea 100644
--- a/InvenTree/part/test_category.py
+++ b/InvenTree/part/test_category.py
@@ -127,7 +127,7 @@ class CategoryTest(TestCase):
 
         with self.assertRaises(ValidationError) as err:
             cat.full_clean()
-            cat.save()
+            cat.save()  # pragma: no cover
 
         self.assertIn('Illegal character in name', str(err.exception.error_dict.get('name')))
 
diff --git a/InvenTree/part/test_param.py b/InvenTree/part/test_param.py
index 85eea7ee57..fe3514d807 100644
--- a/InvenTree/part/test_param.py
+++ b/InvenTree/part/test_param.py
@@ -44,7 +44,7 @@ class TestParams(TestCase):
         with self.assertRaises(django_exceptions.ValidationError):
             t3 = PartParameterTemplate(name='aBcde', units='dd')
             t3.full_clean()
-            t3.save()
+            t3.save()  # pragma: no cover
 
 
 class TestCategoryTemplates(TransactionTestCase):