diff --git a/heat_tempest_plugin/common/test.py b/heat_tempest_plugin/common/test.py
index ccbc12a..008ac87 100644
--- a/heat_tempest_plugin/common/test.py
+++ b/heat_tempest_plugin/common/test.py
@@ -132,19 +132,34 @@
     return decorator
 
 
+def _check_require(group, feature, test_method):
+    features_group = getattr(config.CONF, group, None)
+    if not features_group:
+        return test_method
+    feature_enabled = features_group.get(feature, True)
+    skipper = testtools.skipUnless(feature_enabled,
+                                   "%s - Feature not enabled." % feature)
+    return skipper(test_method)
+
+
 def requires_feature(feature):
     '''Decorator for tests requring specific feature.
 
     The decorated test will be skipped when a specific feature is disabled.
     '''
     def decorator(test_method):
-        features_group = getattr(config.CONF, 'heat_features_enabled', None)
-        if not features_group:
-            return test_method
-        feature_enabled = config.CONF.heat_features_enabled.get(feature, False)
-        skipper = testtools.skipUnless(feature_enabled,
-                                       "%s - Feature not enabled." % feature)
-        return skipper(test_method)
+        return _check_require('heat_features_enabled', feature, test_method)
+    return decorator
+
+
+def requires_service_feature(service, feature):
+    '''Decorator for tests requring specific service feature enabled in tempest.
+
+    The decorated test will be skipped when a specific feature is disabled.
+    '''
+    def decorator(test_method):
+        group = service + '_feature_enabled'
+        return _check_require(group, feature, test_method)
     return decorator
 
 
diff --git a/heat_tempest_plugin/config.py b/heat_tempest_plugin/config.py
index fae6ebb..c30981c 100644
--- a/heat_tempest_plugin/config.py
+++ b/heat_tempest_plugin/config.py
@@ -159,6 +159,9 @@
     cfg.StrOpt('hidden_stack_tag',
                default='data-processing-cluster',
                help="Tag to be considered as hidden for stack tags tests"),
+    cfg.StrOpt('credential_secret_id',
+               help="Barbican secret id which storing cloud credential in "
+               "remote site."),
 ]
 
 heat_features_group = cfg.OptGroup(
@@ -168,7 +171,10 @@
 HeatFeaturesGroup = [
     cfg.BoolOpt('stack_cancel',
                 default=False,
-                help="If false, skip stack cancel tests")
+                help="If false, skip stack cancel tests"),
+    cfg.BoolOpt('multi_cloud',
+                default=False,
+                help="If false, skip multi-cloud tests for remote stack")
 ]
 
 
diff --git a/heat_tempest_plugin/tests/functional/test_external_ref.py b/heat_tempest_plugin/tests/functional/test_external_ref.py
index d6a73ac..1667908 100644
--- a/heat_tempest_plugin/tests/functional/test_external_ref.py
+++ b/heat_tempest_plugin/tests/functional/test_external_ref.py
@@ -34,25 +34,26 @@
     value: {get_resource: test1}
 '''
 
-    @decorators.idempotent_id('45449bad-18ba-4148-82e6-a6bc1e9a9b04')
-    def test_create_with_external_ref(self):
-        stack_name = self._stack_rand_name()
-        stack_identifier = self.stack_create(
-            stack_name=stack_name,
-            template=self.TEMPLATE_WITH_EX_REF,
+    def _stack_create(self, template):
+        self.stack_name = self._stack_rand_name()
+        self.stack_identifier = self.stack_create(
+            stack_name=self.stack_name,
+            template=template,
             files={},
             disable_rollback=True,
             parameters={},
-            environment={}
+            environment={},
+            expected_status='CREATE_COMPLETE'
         )
 
-        stack = self.client.stacks.get(stack_identifier)
-
-        self._wait_for_stack_status(stack_identifier, 'CREATE_COMPLETE')
         expected_resources = {'test1': 'OS::Heat::TestResource'}
         self.assertEqual(expected_resources,
-                         self.list_resources(stack_identifier))
-        stack = self.client.stacks.get(stack_identifier)
+                         self.list_resources(self.stack_identifier))
+
+    @decorators.idempotent_id('45449bad-18ba-4148-82e6-a6bc1e9a9b04')
+    def test_create_with_external_ref(self):
+        self._stack_create(self.TEMPLATE_WITH_EX_REF)
+        stack = self.client.stacks.get(self.stack_identifier)
         self.assertEqual(
             [{'description': 'No description given',
               'output_key': 'str',
@@ -60,28 +61,41 @@
 
     @decorators.idempotent_id('fb16477c-e981-4ef9-a83b-c0acc162343a')
     def test_update_with_external_ref(self):
-        stack_name = self._stack_rand_name()
-        stack_identifier = self.stack_create(
-            stack_name=stack_name,
-            template=self.TEMPLATE,
-            files={},
-            disable_rollback=True,
-            parameters={},
-            environment={}
-        )
-        stack = self.client.stacks.get(stack_identifier)
+        self._stack_create(self.TEMPLATE)
 
-        self._wait_for_stack_status(stack_identifier, 'CREATE_COMPLETE')
-        expected_resources = {'test1': 'OS::Heat::TestResource'}
-        self.assertEqual(expected_resources,
-                         self.list_resources(stack_identifier))
-        stack = self.client.stacks.get(stack_identifier)
+        stack = self.client.stacks.get(self.stack_identifier)
         self.assertEqual([], stack.outputs)
 
-        stack_name = stack_identifier.split('/')[0]
-        kwargs = {'stack_id': stack_identifier, 'stack_name': stack_name,
+        stack_name = self.stack_identifier.split('/')[0]
+        kwargs = {'stack_id': self.stack_identifier, 'stack_name': stack_name,
                   'template': self.TEMPLATE_WITH_EX_REF, 'files': {},
                   'disable_rollback': True, 'parameters': {}, 'environment': {}
                   }
         self.client.stacks.update(**kwargs)
-        self._wait_for_stack_status(stack_identifier, 'UPDATE_FAILED')
+        self._wait_for_stack_status(self.stack_identifier, 'UPDATE_FAILED')
+
+    @decorators.idempotent_id('0ac301c2-b377-49b8-82e2-2458634bc8cf')
+    def test_update_stack_contain_external_ref(self):
+        self._stack_create(self.TEMPLATE_WITH_EX_REF)
+
+        stack = self.client.stacks.get(self.stack_identifier)
+        self.assertEqual(
+            [{'description': 'No description given',
+              'output_key': 'str',
+              'output_value': 'foobar'}], stack.outputs)
+
+        # Update Stack without change external_id
+
+        new_stack_name = self._stack_rand_name()
+        kwargs = {'stack_id': self.stack_identifier,
+                  'stack_name': new_stack_name,
+                  'template': self.TEMPLATE_WITH_EX_REF, 'files': {},
+                  'disable_rollback': True, 'parameters': {}, 'environment': {}
+                  }
+        self.client.stacks.update(**kwargs)
+
+        self._wait_for_stack_status(self.stack_identifier, 'UPDATE_COMPLETE')
+
+        expected_resources = {'test1': 'OS::Heat::TestResource'}
+        self.assertEqual(expected_resources,
+                         self.list_resources(self.stack_identifier))
diff --git a/heat_tempest_plugin/tests/functional/test_remote_stack.py b/heat_tempest_plugin/tests/functional/test_remote_stack.py
index 1a467f4..6c5268c 100644
--- a/heat_tempest_plugin/tests/functional/test_remote_stack.py
+++ b/heat_tempest_plugin/tests/functional/test_remote_stack.py
@@ -15,6 +15,7 @@
 import six
 from tempest.lib import decorators
 
+from heat_tempest_plugin.common import test
 from heat_tempest_plugin.tests.functional import functional_base
 
 
@@ -26,6 +27,7 @@
     type: OS::Heat::Stack
     properties:
       context:
+$MULTI_CLOUD_PROPERTIES
         region_name: RegionOne
       template:
         get_file: remote_stack.yaml
@@ -46,6 +48,7 @@
 
     def setUp(self):
         super(RemoteStackTest, self).setUp()
+        self.template = self.template.replace('$MULTI_CLOUD_PROPERTIES', '')
         # replacing the template region with the one from the config
         self.template = self.template.replace('RegionOne',
                                               self.conf.region)
@@ -83,6 +86,52 @@
         remote_resources = {'random1': 'OS::Heat::RandomString'}
         self.assertEqual(remote_resources, self.list_resources(remote_id))
 
+    def _create_with_cloud_credential(self):
+        cred_sec_id = self.conf.credential_secret_id
+        if not cred_sec_id:
+            raise self.skipException(
+                "No credential_secret_id configured to test")
+        props = """
+        credential_secret_id: %(credential_secret_id)s""" % {
+            'credential_secret_id': cred_sec_id
+        }
+
+        self.template = self.template.replace('$MULTI_CLOUD_PROPERTIES', props)
+        files = {'remote_stack.yaml': self.remote_template}
+        stack_id = self.stack_create(files=files)
+
+        expected_resources = {'my_stack': 'OS::Heat::Stack'}
+        self.assertEqual(expected_resources, self.list_resources(stack_id))
+
+        return stack_id
+
+    @test.requires_feature('multi_cloud')
+    @decorators.idempotent_id('6b61d8e3-79df-4e84-bdcf-f734da39d52b')
+    def test_stack_create_with_cloud_credential(self):
+        """Test on create multi (OpenStack) cloud with credential
+
+        This test will use same region to simulate cross OpenStack scenario.
+        Provide credential_secret_id as input property.
+        """
+        stack_id = self._create_with_cloud_credential()
+        stack = self.client.stacks.get(stack_id)
+        output = self._stack_output(stack, 'key')
+        parent_output_value = output['remote_key']
+        self.assertEqual(32, len(parent_output_value))
+
+        rsrc = self.client.resources.get(stack_id, 'my_stack')
+        remote_id = rsrc.physical_resource_id
+        # For now we use same OpenStack environment as a simulation of remote
+        # OpenStack site.
+        rstack = self.client.stacks.get(remote_id)
+        self.assertEqual(remote_id, rstack.id)
+        remote_output_value = self._stack_output(rstack, 'remote_key')
+        self.assertEqual(32, len(remote_output_value))
+        self.assertEqual(parent_output_value, remote_output_value)
+
+        remote_resources = {'random1': 'OS::Heat::RandomString'}
+        self.assertEqual(remote_resources, self.list_resources(remote_id))
+
     @decorators.idempotent_id('830bfeae-6d8a-4cb2-823d-d8b6c3a740ad')
     def test_stack_create_bad_region(self):
         tmpl_bad_region = self.template.replace(self.conf.region, 'DARKHOLE')
diff --git a/heat_tempest_plugin/tests/scenario/templates/test_server_software_config.yaml b/heat_tempest_plugin/tests/scenario/templates/test_server_software_config.yaml
index bf8fa9b..9df6532 100644
--- a/heat_tempest_plugin/tests/scenario/templates/test_server_software_config.yaml
+++ b/heat_tempest_plugin/tests/scenario/templates/test_server_software_config.yaml
@@ -52,7 +52,7 @@
       - name: bar
       outputs:
       - name: result
-      config: {get_file: cfg1.sh}
+      config: {get_file: /cfg1.sh}
 
   cfg2a:
     type: OS::Heat::StructuredConfig
@@ -87,7 +87,7 @@
       - name: bar
       outputs:
       - name: result
-      config: {get_file: cfg3.pp}
+      config: {get_file: /cfg3.pp}
 
   dep1:
     type: OS::Heat::SoftwareDeployment
diff --git a/heat_tempest_plugin/tests/scenario/test_server_software_config.py b/heat_tempest_plugin/tests/scenario/test_server_software_config.py
index 4d2f7dc..7da2853 100644
--- a/heat_tempest_plugin/tests/scenario/test_server_software_config.py
+++ b/heat_tempest_plugin/tests/scenario/test_server_software_config.py
@@ -27,14 +27,14 @@
 
 CFG3_PP = '''file {'barfile':
   ensure  => file,
-  mode    => 0644,
+  mode    => '0644',
   path    => "/tmp/$::bar",
   content => "$::foo",
 }
 file {'output_result':
   ensure  => file,
   path    => "$::heat_outputs_path.result",
-  mode    => 0644,
+  mode    => '0644',
   content => "The file /tmp/$::bar contains $::foo for server \
 $::deploy_server_id during $::deploy_action",
 }
@@ -153,8 +153,8 @@
         }
 
         files = {
-            'cfg1.sh': CFG1_SH,
-            'cfg3.pp': CFG3_PP
+            'file:///cfg1.sh': CFG1_SH,
+            'file:///cfg3.pp': CFG3_PP
         }
 
         env_files, env = template_utils.process_environment_and_files(
diff --git a/heat_tempest_plugin/tests/scenario/test_volumes.py b/heat_tempest_plugin/tests/scenario/test_volumes.py
index 57d0936..7dfa8bf 100644
--- a/heat_tempest_plugin/tests/scenario/test_volumes.py
+++ b/heat_tempest_plugin/tests/scenario/test_volumes.py
@@ -17,11 +17,13 @@
 from tempest.lib import decorators
 
 from heat_tempest_plugin.common import exceptions
+from heat_tempest_plugin.common import test
 from heat_tempest_plugin.tests.scenario import scenario_base
 
 LOG = logging.getLogger(__name__)
 
 
+@test.requires_service_feature('volume', 'backup')
 class VolumeBackupRestoreIntegrationTest(scenario_base.ScenarioTestsBase):
     """Class is responsible for testing of volume backup."""