diff --git a/etc/tempest.conf.sample b/etc/tempest.conf.sample
index f306d8e..2173eb6 100644
--- a/etc/tempest.conf.sample
+++ b/etc/tempest.conf.sample
@@ -548,21 +548,10 @@
 # Options defined in tempest.config
 #
 
-# Set to True if the Container Quota middleware is enabled
-# (boolean value)
-#container_quotas=true
-
-# Set to True if the Account Quota middleware is enabled
-# (boolean value)
-#accounts_quotas=true
-
-# Set to True if the Crossdomain middleware is enabled
-# (boolean value)
-#crossdomain=true
-
-# Set to True if the TempURL middleware is enabled (boolean
-# value)
-#tempurl=true
+# A list of the enabled optional discoverable apis. A single
+# entry, all, indicates that all of these features are
+# expected to be enabled (list value)
+#discoverable_apis=all
 
 
 [orchestration]
diff --git a/tempest/api/object_storage/test_account_quotas.py b/tempest/api/object_storage/test_account_quotas.py
index ac1c7d1..6312f69 100644
--- a/tempest/api/object_storage/test_account_quotas.py
+++ b/tempest/api/object_storage/test_account_quotas.py
@@ -14,21 +14,17 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import testtools
-
 from tempest.api.object_storage import base
 from tempest import clients
 from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
-from tempest.test import attr
+from tempest import test
 
 CONF = config.CONF
 
 
 class AccountQuotasTest(base.BaseObjectTest):
-    accounts_quotas_available = \
-        CONF.object_storage_feature_enabled.accounts_quotas
 
     @classmethod
     def setUpClass(cls):
@@ -99,9 +95,8 @@
         cls.data.teardown_all()
         super(AccountQuotasTest, cls).tearDownClass()
 
-    @testtools.skipIf(not accounts_quotas_available,
-                      "Account Quotas middleware not available")
-    @attr(type="smoke")
+    @test.attr(type="smoke")
+    @test.requires_ext(extension='account_quotas', service='object')
     def test_upload_valid_object(self):
         object_name = data_utils.rand_name(name="TestObject")
         data = data_utils.arbitrary_string()
@@ -111,9 +106,8 @@
         self.assertEqual(resp["status"], "201")
         self.assertHeaders(resp, 'Object', 'PUT')
 
-    @testtools.skipIf(not accounts_quotas_available,
-                      "Account Quotas middleware not available")
-    @attr(type=["negative", "smoke"])
+    @test.attr(type=["negative", "smoke"])
+    @test.requires_ext(extension='account_quotas', service='object')
     def test_upload_large_object(self):
         object_name = data_utils.rand_name(name="TestObject")
         data = data_utils.arbitrary_string(30)
@@ -121,9 +115,8 @@
                           self.object_client.create_object,
                           self.container_name, object_name, data)
 
-    @testtools.skipIf(not accounts_quotas_available,
-                      "Account Quotas middleware not available")
-    @attr(type=["smoke"])
+    @test.attr(type=["smoke"])
+    @test.requires_ext(extension='account_quotas', service='object')
     def test_admin_modify_quota(self):
         """Test that the ResellerAdmin is able to modify and remove the quota
         on a user's account.
@@ -146,9 +139,8 @@
             self.assertEqual(resp["status"], "204")
             self.assertHeaders(resp, 'Account', 'POST')
 
-    @testtools.skipIf(not accounts_quotas_available,
-                      "Account Quotas middleware not available")
-    @attr(type=["negative", "smoke"])
+    @test.attr(type=["negative", "smoke"])
+    @test.requires_ext(extension='account_quotas', service='object')
     def test_user_modify_quota(self):
         """Test that a user is not able to modify or remove a quota on
         its account.
diff --git a/tempest/api/object_storage/test_container_quotas.py b/tempest/api/object_storage/test_container_quotas.py
index 513d24a..103ee89 100644
--- a/tempest/api/object_storage/test_container_quotas.py
+++ b/tempest/api/object_storage/test_container_quotas.py
@@ -15,25 +15,19 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from tempest.api.object_storage import base
 from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
-from tempest.test import attr
-from tempest.test import HTTP_SUCCESS
+from tempest import test
 
 CONF = config.CONF
 QUOTA_BYTES = 10
 QUOTA_COUNT = 3
-SKIP_MSG = "Container quotas middleware not available."
 
 
 class ContainerQuotasTest(base.BaseObjectTest):
     """Attemps to test the perfect behavior of quotas in a container."""
-    container_quotas_available = \
-        CONF.object_storage_feature_enabled.container_quotas
 
     def setUp(self):
         """Creates and sets a container with quotas.
@@ -58,8 +52,8 @@
         self.delete_containers([self.container_name])
         super(ContainerQuotasTest, self).tearDown()
 
-    @testtools.skipIf(not container_quotas_available, SKIP_MSG)
-    @attr(type="smoke")
+    @test.requires_ext(extension='container_quotas', service='object')
+    @test.attr(type="smoke")
     def test_upload_valid_object(self):
         """Attempts to uploads an object smaller than the bytes quota."""
         object_name = data_utils.rand_name(name="TestObject")
@@ -69,14 +63,14 @@
 
         resp, _ = self.object_client.create_object(
             self.container_name, object_name, data)
-        self.assertIn(int(resp['status']), HTTP_SUCCESS)
+        self.assertIn(int(resp['status']), test.HTTP_SUCCESS)
         self.assertHeaders(resp, 'Object', 'PUT')
 
         nafter = self._get_bytes_used()
         self.assertEqual(nbefore + len(data), nafter)
 
-    @testtools.skipIf(not container_quotas_available, SKIP_MSG)
-    @attr(type="smoke")
+    @test.requires_ext(extension='container_quotas', service='object')
+    @test.attr(type="smoke")
     def test_upload_large_object(self):
         """Attempts to upload an object lagger than the bytes quota."""
         object_name = data_utils.rand_name(name="TestObject")
@@ -91,8 +85,8 @@
         nafter = self._get_bytes_used()
         self.assertEqual(nbefore, nafter)
 
-    @testtools.skipIf(not container_quotas_available, SKIP_MSG)
-    @attr(type="smoke")
+    @test.requires_ext(extension='container_quotas', service='object')
+    @test.attr(type="smoke")
     def test_upload_too_many_objects(self):
         """Attempts to upload many objects that exceeds the count limit."""
         for _ in range(QUOTA_COUNT):
diff --git a/tempest/api/object_storage/test_crossdomain.py b/tempest/api/object_storage/test_crossdomain.py
index 41430c8..debd432 100644
--- a/tempest/api/object_storage/test_crossdomain.py
+++ b/tempest/api/object_storage/test_crossdomain.py
@@ -19,27 +19,14 @@
 from tempest.api.object_storage import base
 from tempest import clients
 from tempest.common import custom_matchers
-from tempest import config
-from tempest.test import attr
-from tempest.test import HTTP_SUCCESS
-
-CONF = config.CONF
+from tempest import test
 
 
 class CrossdomainTest(base.BaseObjectTest):
-    crossdomain_available = \
-        CONF.object_storage_feature_enabled.crossdomain
 
     @classmethod
     def setUpClass(cls):
         super(CrossdomainTest, cls).setUpClass()
-
-        # skip this test if CORS isn't enabled in the conf file.
-        if not cls.crossdomain_available:
-            skip_msg = ("%s skipped as Crossdomain middleware not available"
-                        % cls.__name__)
-            raise cls.skipException(skip_msg)
-
         # creates a test user. The test user will set its base_url to the Swift
         # endpoint and test the healthcheck feature.
         cls.data.setup_test_user()
@@ -75,12 +62,13 @@
 
         super(CrossdomainTest, self).tearDown()
 
-    @attr('gate')
+    @test.attr('gate')
+    @test.requires_ext(extension='crossdomain', service='object')
     def test_get_crossdomain_policy(self):
         resp, body = self.os_test_user.account_client.get("crossdomain.xml",
                                                           {})
 
-        self.assertIn(int(resp['status']), HTTP_SUCCESS)
+        self.assertIn(int(resp['status']), test.HTTP_SUCCESS)
         self.assertTrue(body.startswith(self.xml_start) and
                         body.endswith(self.xml_end))
 
diff --git a/tempest/api/object_storage/test_object_temp_url.py b/tempest/api/object_storage/test_object_temp_url.py
index d0e5353..d1b3674 100644
--- a/tempest/api/object_storage/test_object_temp_url.py
+++ b/tempest/api/object_storage/test_object_temp_url.py
@@ -24,27 +24,16 @@
 from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
-from tempest.test import attr
-from tempest.test import HTTP_SUCCESS
+from tempest import test
 
 CONF = config.CONF
 
 
 class ObjectTempUrlTest(base.BaseObjectTest):
 
-    tempurl_available = \
-        CONF.object_storage_feature_enabled.tempurl
-
     @classmethod
     def setUpClass(cls):
         super(ObjectTempUrlTest, cls).setUpClass()
-
-        # skip this test if TempUrl isn't enabled in the conf file.
-        if not cls.tempurl_available:
-            skip_msg = ("%s skipped as TempUrl middleware not available"
-                        % cls.__name__)
-            raise cls.skipException(skip_msg)
-
         # create a container
         cls.container_name = data_utils.rand_name(name='TestContainer')
         cls.container_client.create_container(cls.container_name)
@@ -108,7 +97,8 @@
 
         return url
 
-    @attr(type='gate')
+    @test.attr(type='gate')
+    @test.requires_ext(extension='tempurl', service='object')
     def test_get_object_using_temp_url(self):
         expires = self._get_expiry_date()
 
@@ -119,16 +109,17 @@
 
         # trying to get object using temp url within expiry time
         resp, body = self.object_client.get(url)
-        self.assertIn(int(resp['status']), HTTP_SUCCESS)
+        self.assertIn(int(resp['status']), test.HTTP_SUCCESS)
         self.assertHeaders(resp, 'Object', 'GET')
         self.assertEqual(body, self.content)
 
         # Testing a HEAD on this Temp URL
         resp, body = self.object_client.head(url)
-        self.assertIn(int(resp['status']), HTTP_SUCCESS)
+        self.assertIn(int(resp['status']), test.HTTP_SUCCESS)
         self.assertHeaders(resp, 'Object', 'HEAD')
 
-    @attr(type='gate')
+    @test.attr(type='gate')
+    @test.requires_ext(extension='tempurl', service='object')
     def test_get_object_using_temp_url_key_2(self):
         key2 = 'Meta2-'
         metadata = {'Temp-URL-Key-2': key2}
@@ -149,10 +140,11 @@
                                  self.object_name, "GET",
                                  expires, key2)
         resp, body = self.object_client.get(url)
-        self.assertIn(int(resp['status']), HTTP_SUCCESS)
+        self.assertIn(int(resp['status']), test.HTTP_SUCCESS)
         self.assertEqual(body, self.content)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
+    @test.requires_ext(extension='tempurl', service='object')
     def test_put_object_using_temp_url(self):
         new_data = data_utils.arbitrary_string(
             size=len(self.object_name),
@@ -165,12 +157,12 @@
 
         # trying to put random data in the object using temp url
         resp, body = self.object_client.put(url, new_data, None)
-        self.assertIn(int(resp['status']), HTTP_SUCCESS)
+        self.assertIn(int(resp['status']), test.HTTP_SUCCESS)
         self.assertHeaders(resp, 'Object', 'PUT')
 
         # Testing a HEAD on this Temp URL
         resp, body = self.object_client.head(url)
-        self.assertIn(int(resp['status']), HTTP_SUCCESS)
+        self.assertIn(int(resp['status']), test.HTTP_SUCCESS)
         self.assertHeaders(resp, 'Object', 'HEAD')
 
         # Validate that the content of the object has been modified
@@ -181,7 +173,8 @@
         _, body = self.object_client.get(url)
         self.assertEqual(body, new_data)
 
-    @attr(type='gate')
+    @test.attr(type='gate')
+    @test.requires_ext(extension='tempurl', service='object')
     def test_head_object_using_temp_url(self):
         expires = self._get_expiry_date()
 
@@ -192,10 +185,11 @@
 
         # Testing a HEAD on this Temp URL
         resp, body = self.object_client.head(url)
-        self.assertIn(int(resp['status']), HTTP_SUCCESS)
+        self.assertIn(int(resp['status']), test.HTTP_SUCCESS)
         self.assertHeaders(resp, 'Object', 'HEAD')
 
-    @attr(type=['gate', 'negative'])
+    @test.attr(type=['gate', 'negative'])
+    @test.requires_ext(extension='tempurl', service='object')
     def test_get_object_after_expiration_time(self):
 
         expires = self._get_expiry_date(1)
diff --git a/tempest/config.py b/tempest/config.py
index d42edc9..6f6da50 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -415,19 +415,11 @@
     title='Enabled object-storage features')
 
 ObjectStoreFeaturesGroup = [
-    cfg.BoolOpt('container_quotas',
-                default=True,
-                help="Set to True if the Container Quota middleware "
-                     "is enabled"),
-    cfg.BoolOpt('accounts_quotas',
-                default=True,
-                help="Set to True if the Account Quota middleware is enabled"),
-    cfg.BoolOpt('crossdomain',
-                default=True,
-                help="Set to True if the Crossdomain middleware is enabled"),
-    cfg.BoolOpt('tempurl',
-                default=True,
-                help="Set to True if the TempURL middleware is enabled"),
+    cfg.ListOpt('discoverable_apis',
+                default=['all'],
+                help="A list of the enabled optional discoverable apis. "
+                     "A single entry, all, indicates that all of these "
+                     "features are expected to be enabled"),
 ]
 
 
diff --git a/tempest/test.py b/tempest/test.py
index 342846f..d57ed83 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -163,6 +163,7 @@
         'compute_v3': configs.compute_feature_enabled.api_v3_extensions,
         'volume': configs.volume_feature_enabled.api_extensions,
         'network': configs.network_feature_enabled.api_extensions,
+        'object': configs.object_storage_feature_enabled.discoverable_apis,
     }
     if config_dict[service][0] == 'all':
         return True