diff --git a/tests/test_routers.py b/tests/test_routers.py
index aa7d4ca30..6b006242a 100644
--- a/tests/test_routers.py
+++ b/tests/test_routers.py
@@ -493,13 +493,12 @@ class TestViewInitkwargs(URLPatternsTestCase, TestCase):
         assert initkwargs['basename'] == 'routertestmodel'
 
 
-class TestDuplicateBasename(TestCase):
+class BasenameTestCase:
     def test_conflicting_autogenerated_basenames(self):
         """
         Ensure 2 routers with the same model, and no basename specified
         throws an ImproperlyConfigured exception
         """
-        self.router = SimpleRouter(trailing_slash=False)
         self.router.register(r'notes', NoteViewSet)
 
         with pytest.raises(ImproperlyConfigured):
@@ -513,7 +512,6 @@ class TestDuplicateBasename(TestCase):
         Ensure 2 routers with the same model, and no basename specified on 1
         throws an ImproperlyConfigured exception
         """
-        self.router = SimpleRouter(trailing_slash=False)
         self.router.register(r'notes', NoteViewSet)
 
         with pytest.raises(ImproperlyConfigured):
@@ -527,7 +525,6 @@ class TestDuplicateBasename(TestCase):
         Ensure 2 routers with the same model, and a distinct basename
         specified on the second router does not fail
         """
-        self.router = SimpleRouter(trailing_slash=False)
         self.router.register(r'notes', NoteViewSet)
         self.router.register(r'notes_kwduplicate', KWargedNoteViewSet, basename='routertestmodel_kwduplicate')
         self.router.register(r'notes_duplicate', NoteViewSet, basename='routertestmodel_duplicate')
@@ -537,7 +534,6 @@ class TestDuplicateBasename(TestCase):
         Ensure 2 routers with the same model, and the same basename specified
         on both throws an ImproperlyConfigured exception
         """
-        self.router = SimpleRouter(trailing_slash=False)
         self.router.register(r'notes', NoteViewSet, basename='notes')
 
         with pytest.raises(ImproperlyConfigured):
@@ -551,7 +547,6 @@ class TestDuplicateBasename(TestCase):
         Ensure 2 routers with the same model, and a distinct basename specified
         on each does not throw an exception
         """
-        self.router = SimpleRouter(trailing_slash=False)
         self.router.register(r'notes', NoteViewSet, basename='notes')
         self.router.register(r'notes_kwduplicate', KWargedNoteViewSet, basename='notes_kwduplicate')
         self.router.register(r'notes_duplicate', NoteViewSet, basename='notes_duplicate')
@@ -561,7 +556,6 @@ class TestDuplicateBasename(TestCase):
         Ensure 2 routers with different models, and a distinct basename specified
         on each does not throw an exception
         """
-        self.router = SimpleRouter(trailing_slash=False)
         self.router.register(r'notes', NoteViewSet, basename='notes')
         self.router.register(r'notes_basename', BasenameViewSet, basename='notes_basename')
 
@@ -570,7 +564,6 @@ class TestDuplicateBasename(TestCase):
         Ensure 2 routers with different models, and a conflicting basename specified
         throws an exception
         """
-        self.router = SimpleRouter(trailing_slash=False)
         self.router.register(r'notes', NoteViewSet)
         with pytest.raises(ImproperlyConfigured):
             self.router.register(r'notes_basename', BasenameViewSet, basename='routertestmodel')
@@ -580,6 +573,21 @@ class TestDuplicateBasename(TestCase):
         Ensure 2 routers with different models, and a distinct basename specified
         on each does not throw an exception
         """
-        self.router = SimpleRouter(trailing_slash=False)
         self.router.register(r'notes', NoteViewSet)
         self.router.register(r'notes_basename', BasenameViewSet)
+
+
+class TestDuplicateBasenameSimpleRouter(BasenameTestCase, TestCase):
+    def setUp(self):
+        self.router = SimpleRouter(trailing_slash=False)
+
+
+class TestDuplicateBasenameDefaultRouter(BasenameTestCase, TestCase):
+    def setUp(self):
+        self.router = DefaultRouter()
+
+
+class TestDuplicateBasenameDefaultRouterRootViewName(BasenameTestCase, TestCase):
+    def setUp(self):
+        self.router = DefaultRouter()
+        self.router.root_view_name = 'nameable-root'