diff --git a/tempest/scenario/test_dashboard_basic_ops.py b/tempest/scenario/test_dashboard_basic_ops.py
index eb018eb..8e91a6d 100644
--- a/tempest/scenario/test_dashboard_basic_ops.py
+++ b/tempest/scenario/test_dashboard_basic_ops.py
@@ -26,6 +26,7 @@
 class HorizonHTMLParser(HTMLParser.HTMLParser):
     csrf_token = None
     region = None
+    login = None
 
     def _find_name(self, attrs, name):
         for attrpair in attrs:
@@ -39,12 +40,20 @@
                 return attrpair[1]
         return None
 
+    def _find_attr_value(self, attrs, attr_name):
+        for attrpair in attrs:
+            if attrpair[0] == attr_name:
+                return attrpair[1]
+        return None
+
     def handle_starttag(self, tag, attrs):
         if tag == 'input':
             if self._find_name(attrs, 'csrfmiddlewaretoken'):
                 self.csrf_token = self._find_value(attrs)
             if self._find_name(attrs, 'region'):
                 self.region = self._find_value(attrs)
+        if tag == 'form':
+            self.login = self._find_attr_value(attrs, 'action')
 
 
 class TestDashboardBasicOps(manager.ScenarioTest):
@@ -79,8 +88,12 @@
         parser = HorizonHTMLParser()
         parser.feed(response)
 
+        # construct login url for dashboard, discovery accomodates non-/ web
+        # root for dashboard
+        login_url = CONF.dashboard.dashboard_url + parser.login[1:]
+
         # Prepare login form request
-        req = request.Request(CONF.dashboard.login_url)
+        req = request.Request(login_url)
         req.add_header('Content-type', 'application/x-www-form-urlencoded')
         req.add_header('Referer', CONF.dashboard.dashboard_url)
         params = {'username': username,
diff --git a/tempest/scenario/test_server_basic_ops.py b/tempest/scenario/test_server_basic_ops.py
index f61b151..3019cc4 100644
--- a/tempest/scenario/test_server_basic_ops.py
+++ b/tempest/scenario/test_server_basic_ops.py
@@ -16,6 +16,7 @@
 from oslo_log import log as logging
 
 from tempest import config
+from tempest import exceptions
 from tempest.scenario import manager
 from tempest.scenario import utils as test_utils
 from tempest import test
@@ -98,9 +99,24 @@
     def verify_metadata(self):
         if self.run_ssh and CONF.compute_feature_enabled.metadata_service:
             # Verify metadata service
-            result = self.ssh_client.exec_command(
-                "curl http://169.254.169.254/latest/meta-data/public-ipv4")
-            self.assertEqual(self.floating_ip['ip'], result)
+            md_url = 'http://169.254.169.254/latest/meta-data/public-ipv4'
+
+            def exec_cmd_and_verify_output():
+                cmd = 'curl ' + md_url
+                floating_ip = self.floating_ip['ip']
+                result = self.ssh_client.exec_command(cmd)
+                if result:
+                    msg = ('Failed while verifying metadata on server. Result '
+                           'of command "%s" is NOT "%s".' % (cmd, floating_ip))
+                    self.assertEqual(floating_ip, result, msg)
+                    return 'Verification is successful!'
+
+            if not test.call_until_true(exec_cmd_and_verify_output,
+                                        CONF.compute.build_timeout,
+                                        CONF.compute.build_interval):
+                raise exceptions.TimeoutException('Timed out while waiting to '
+                                                  'verify metadata on server. '
+                                                  '%s is empty.' % md_url)
 
     @test.idempotent_id('7fff3fb3-91d8-4fd0-bd7d-0204f1f180ba')
     @test.attr(type='smoke')
diff --git a/tempest/services/compute/json/servers_client.py b/tempest/services/compute/json/servers_client.py
index a99a1f5..f523f11 100644
--- a/tempest/services/compute/json/servers_client.py
+++ b/tempest/services/compute/json/servers_client.py
@@ -206,15 +206,7 @@
                                post_body)
         if response_key is not None:
             body = json.loads(body)
-            # Check for Schema as 'None' because if we do not have any server
-            # action schema implemented yet then they can pass 'None' to skip
-            # the validation.Once all server action has their schema
-            # implemented then, this check can be removed if every actions are
-            # supposed to validate their response.
-            # TODO(GMann): Remove the below 'if' check once all server actions
-            # schema are implemented.
-            if schema is not None:
-                self.validate_response(schema, resp, body)
+            self.validate_response(schema, resp, body)
             body = body[response_key]
         else:
             self.validate_response(schema, resp, body)