diff --git a/djadmin2/tests/test_admin2tags.py b/djadmin2/tests/test_admin2tags.py
index 76018c9..0d9bf5b 100644
--- a/djadmin2/tests/test_admin2tags.py
+++ b/djadmin2/tests/test_admin2tags.py
@@ -90,3 +90,12 @@ class TagsTests(TestCase):
             admin2_tags.formset_visible_fieldlist(formset),
             [u'Visible 1', u'Visible 2']
         ) 
+
+    def test_verbose_name_for(self):
+        app_verbose_names = {
+            u'app_one_label': 'App One Verbose Name',
+        }
+        self.assertEquals(
+            "App One Verbose Name",
+            admin2_tags.verbose_name_for(app_verbose_names, 'app_one_label')
+        )
diff --git a/djadmin2/tests/test_core.py b/djadmin2/tests/test_core.py
index d68e31d..ab97c86 100644
--- a/djadmin2/tests/test_core.py
+++ b/djadmin2/tests/test_core.py
@@ -13,6 +13,9 @@ class Thing(models.Model):
     pass
 
 
+APP_LABEL, APP_VERBOSE_NAME = 'app_one_label', 'App One Verbose Name'
+
+
 class Admin2Test(TestCase):
     def setUp(self):
         self.admin2 = Admin2()
@@ -33,6 +36,34 @@ class Admin2Test(TestCase):
     def test_deregister_error(self):
         self.assertRaises(ImproperlyConfigured, self.admin2.deregister, Thing)
 
+    def test_register_app_verbose_name(self):
+        self.admin2.register_app_verbose_name(APP_LABEL, APP_VERBOSE_NAME)
+        self.assertEquals(
+            self.admin2.app_verbose_names[APP_LABEL],
+            APP_VERBOSE_NAME
+        )
+
+    def test_register_app_verbose_name_error(self):
+        self.admin2.register_app_verbose_name(APP_LABEL, APP_VERBOSE_NAME)
+        self.assertRaises(
+            ImproperlyConfigured,
+            self.admin2.register_app_verbose_name,
+            APP_LABEL,
+            APP_VERBOSE_NAME
+        )
+
+    def test_deregister_app_verbose_name(self):
+        self.admin2.register_app_verbose_name(APP_LABEL, APP_VERBOSE_NAME)
+        self.admin2.deregister_app_verbose_name(APP_LABEL)
+        self.assertTrue(APP_LABEL not in self.admin2.app_verbose_names)
+
+    def test_deregister_app_verbose_name_error(self):
+        self.assertRaises(
+            ImproperlyConfigured,
+            self.admin2.deregister_app_verbose_name,
+            APP_LABEL
+        )
+
     def test_get_urls(self):
         self.admin2.register(Thing)
         self.assertEquals(8, len(self.admin2.get_urls()))