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
@@ -23,7 +23,10 @@ from conntrackt.views import EntityView,
 from conntrackt.views import InterfaceCreateView, InterfaceUpdateView, InterfaceDeleteView
 from conntrackt.views import CommunicationCreateView, CommunicationUpdateView, CommunicationDeleteView
 
-from helpers import PermissionTestMixin, create_get_request, generate_get_response, FakeMessages
+# Test imports.
+from .forms import FormWithWidgetCSSClassFormMixin, FormWithPlaceholderFormMixin
+from .helpers import PermissionTestMixin, create_get_request, generate_get_response, FakeMessages
+from .views import RedirectToNextMixinView
 
 
 class IndexViewTest(PermissionTestMixin, TestCase):
@@ -1382,3 +1385,48 @@ class ProjectDiagramTest(PermissionTestM
 
         self.assertContains(response, '"-//W3C//DTD SVG 1.1//EN"')
         self.assertContains(response, "Test Project 1")
+
+
+class RedirectToNextMixinTest(TestCase):
+
+    def test_request_with_next(self):
+        """
+        Test if the get_success_url returns correct URL if "next" is present in
+        request's GET parameters.
+        """
+
+        # Generate the request.
+        request = RequestFactory().post("/fake-path?next=/next")
+
+        # Initialise the pseudo-view.
+        view = RedirectToNextMixinView(request)
+
+        self.assertEqual("/next", view.get_success_url())
+
+    def test_request_without_next(self):
+        """
+        Test if the get_success_url returns correct URL if "next" is not present
+        in request's GET parameters.
+        """
+
+        # Generate the request.
+        request = RequestFactory().post("/fake-path")
+
+        # Initialise the pseudo-view.
+        view = RedirectToNextMixinView(request)
+
+        self.assertEqual("/STATIC", view.get_success_url())
+
+    def test_request_custom_parameter_name(self):
+        """
+        Test if the mixin honours the custom parameter name.
+        """
+
+        # Generate the request.
+        request = RequestFactory().post("/fake-path?custom=/next")
+
+        # Initialise the pseudo-view.
+        view = RedirectToNextMixinView(request)
+        view.next_parameter = "custom"
+
+        self.assertEqual("/next", view.get_success_url())