diff --git a/conntrackt/tests/test_views.py b/conntrackt/tests/test_views.py
--- a/conntrackt/tests/test_views.py
+++ b/conntrackt/tests/test_views.py
@@ -27,15 +27,21 @@ from conntrackt.views import Communicati
 from .forms import FormWithWidgetCSSClassFormMixin, FormWithPlaceholderFormMixin
 from .helpers import PermissionTestMixin, create_get_request, generate_get_response, FakeMessages
 from .views import RedirectToNextMixinView
+from .factories import setup_test_data
 
 
 class IndexViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     sufficient_permissions = ("view",)
     view_class = IndexView
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context_no_projects(self):
         """
         Verifies that the context is properly set-up when the view is called and
@@ -102,12 +108,17 @@ class IndexViewTest(PermissionTestMixin,
 
 class ProjectViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     sufficient_permissions = ("view",)
     permission_test_view_kwargs = {"pk": "1"}
     view_class = ProjectView
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Verifies that the context is properly set-up when the view is called.
@@ -135,7 +146,7 @@ class ProjectViewTest(PermissionTestMixi
 
         # Set-up expected context data values.
         expected_entities = ["<Entity: Test Entity 3 (Test Project 1 - Test Location 2)>",
-                             "<Entity: Test Subnet (Test Project 1 - Test Location 2)>"]
+                             "<Entity: Test Subnet 4 (Test Project 1 - Test Location 2)>"]
 
         # Validate context data.
         self.assertEqual(location.name, "Test Location 2")
@@ -147,12 +158,17 @@ class ProjectViewTest(PermissionTestMixi
 
 class EntityViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_class = EntityView
     sufficient_permissions = ("view",)
     permission_test_view_kwargs = {"pk": "1"}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Tests if the form comes pre-populated with proper content.
@@ -170,7 +186,7 @@ class EntityViewTest(PermissionTestMixin
         expected_incoming_communications = ["<Communication: Test Entity 2 -> Test Entity 1 (TCP:22)>",
                                             "<Communication: Test Entity 2 -> Test Entity 1 (ICMP:8)>",
                                             "<Communication: Test Entity 3 -> Test Entity 1 (TCP:3306)>",
-                                            "<Communication: Test Subnet -> Test Entity 1 (TCP:22)>"]
+                                            "<Communication: Test Subnet 4 -> Test Entity 1 (TCP:22)>"]
 
         expected_outgoing_communications = ["<Communication: Test Entity 1 -> Test Entity 2 (UDP:123)>",
                                             "<Communication: Test Entity 1 -> Test Entity 3 (UDP:53)>"]
@@ -187,12 +203,17 @@ class EntityViewTest(PermissionTestMixin
 
 class EntityIptablesTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_function = staticmethod(entity_iptables)
     sufficient_permissions = ("view",)
     permission_test_view_kwargs = {"pk": "1"}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_invalid_entity(self):
         """
         Tests if a 404 is returned if no entity was found (invalid ID).
@@ -251,12 +272,17 @@ class EntityIptablesTest(PermissionTestM
 
 class ProjectIptablesTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_function = staticmethod(project_iptables)
     sufficient_permissions = ("view",)
     permission_test_view_kwargs = {"project_id": 1}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_invalid_project(self):
         """
         Tests if a 404 is returned if no project was found (invalid ID).
@@ -334,7 +360,7 @@ class ProjectIptablesTest(PermissionTest
         expected_zip_files = ["test_entity_1-iptables.conf",
                               "test_entity_2-iptables.conf",
                               "test_entity_3-iptables.conf",
-                              "test_subnet-iptables.conf"]
+                              "test_subnet_4-iptables.conf"]
 
         self.assertEqual(len(zipped_iptables.namelist()), 4)
         self.assertEqual(zipped_iptables.namelist(), expected_zip_files)
@@ -385,12 +411,17 @@ class ProjectCreateViewTest(PermissionTe
 
 class ProjectUpdateViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_class = ProjectUpdateView
     sufficient_permissions = ("change_project",)
     permission_test_view_kwargs = {"pk": 1}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Verifies that the context is properly set-up when the view is called for
@@ -409,12 +440,17 @@ class ProjectUpdateViewTest(PermissionTe
 
 class ProjectDeleteViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_class = ProjectDeleteView
     sufficient_permissions = ("delete_project",)
     permission_test_view_kwargs = {"pk": "1"}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Verifies that the context is properly set-up when the view is called for
@@ -461,12 +497,17 @@ class LocationCreateViewTest(PermissionT
 
 class LocationUpdateViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_class = LocationUpdateView
     sufficient_permissions = ("change_location",)
     permission_test_view_kwargs = {"pk": 1}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Verifies that the context is properly set-up when the view is called for
@@ -485,12 +526,17 @@ class LocationUpdateViewTest(PermissionT
 
 class LocationDeleteViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_class = LocationDeleteView
     sufficient_permissions = ("delete_location",)
     permission_test_view_kwargs = {"pk": "1"}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Verifies that the context is properly set-up when the view is called for
@@ -609,12 +655,17 @@ class EntityCreateViewTest(PermissionTes
 
 class EntityDeleteViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_class = EntityDeleteView
     sufficient_permissions = ("delete_entity",)
     permission_test_view_kwargs = {"pk": 1}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Verifies that the context is properly set-up when the view is called for
@@ -675,12 +726,17 @@ class EntityDeleteViewTest(PermissionTes
 
 class EntityUpdateViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_class = EntityUpdateView
     sufficient_permissions = ("change_entity",)
     permission_test_view_kwargs = {"pk": 1}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Verifies that the context is properly set-up when the view is called for
@@ -769,12 +825,17 @@ class InterfaceCreateViewTest(Permission
 
 class InterfaceUpdateViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_class = InterfaceUpdateView
     sufficient_permissions = ("change_interface",)
     permission_test_view_kwargs = {"pk": 1}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Verifies that the context is properly set-up when the view is called for
@@ -810,7 +871,7 @@ class InterfaceUpdateViewTest(Permission
         expected_entities = ["<Entity: Test Entity 1 (Test Project 1 - Test Location 1)>",
                              "<Entity: Test Entity 2 (Test Project 1 - Test Location 1)>",
                              "<Entity: Test Entity 3 (Test Project 1 - Test Location 2)>",
-                             "<Entity: Test Subnet (Test Project 1 - Test Location 2)>"]
+                             "<Entity: Test Subnet 4 (Test Project 1 - Test Location 2)>"]
 
         self.assertQuerysetEqual(form.fields["entity"].queryset, expected_entities)
 
@@ -842,12 +903,17 @@ class InterfaceUpdateViewTest(Permission
 
 class InterfaceDeleteViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_class = InterfaceDeleteView
     sufficient_permissions = ("delete_interface",)
     permission_test_view_kwargs = {"pk": 1}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Verifies that the context is properly set-up when the view is called for
@@ -1130,12 +1196,17 @@ class CommunicationCreateViewTest(Permis
 
 class CommunicationUpdateViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_class = CommunicationUpdateView
     sufficient_permissions = ("change_communication",)
     permission_test_view_kwargs = {"pk": 1}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Verifies that the context is properly set-up.
@@ -1170,7 +1241,7 @@ class CommunicationUpdateViewTest(Permis
         expected_interfaces = ["<Interface: Test Entity 1 (192.168.1.1)>",
                                "<Interface: Test Entity 2 (192.168.1.2)>",
                                "<Interface: Test Entity 3 (192.168.1.3)>",
-                               "<Interface: Test Subnet (192.168.2.0/255.255.255.0)>"]
+                               "<Interface: Test Subnet 4 (10.10.4.0/255.255.255.0)>"]
 
         self.assertQuerysetEqual(form.fields["source"].queryset, expected_interfaces)
         self.assertQuerysetEqual(form.fields["destination"].queryset, expected_interfaces)
@@ -1232,12 +1303,17 @@ class CommunicationUpdateViewTest(Permis
 
 class CommunicationDeleteViewTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_class = CommunicationDeleteView
     sufficient_permissions = ("delete_communication",)
     permission_test_view_kwargs = {"pk": 1}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_context(self):
         """
         Verifies that the context is properly set-up when the view is called for
@@ -1339,12 +1415,17 @@ class CommunicationDeleteViewTest(Permis
 
 class ProjectDiagramTest(PermissionTestMixin, TestCase):
 
-    fixtures = ['test-data.json']
-
     view_function = staticmethod(project_diagram)
     sufficient_permissions = ("view",)
     permission_test_view_kwargs = {"pk": "1"}
 
+    def setUp(self):
+        """
+        Set-up some test data.
+        """
+
+        setup_test_data()
+
     def test_invalid_project(self):
         """
         Tests if a 404 is returned if no project was found (invalid ID).