diff --git a/vitrage_tempest_plugin/tests/common/nova_utils.py b/vitrage_tempest_plugin/tests/common/nova_utils.py
index 829703a..698cd40 100644
--- a/vitrage_tempest_plugin/tests/common/nova_utils.py
+++ b/vitrage_tempest_plugin/tests/common/nova_utils.py
@@ -56,7 +56,7 @@ def delete_all_instances(**kwargs):
 
 
 def get_first_flavor():
-    return TempestClients.nova().flavors.list()[0]
+    return TempestClients.nova().flavors.list(sort_key='memory_mb')[0]
 
 
 def _check_num_instances(num_instances=0, state=''):
diff --git a/vitrage_tempest_plugin/tests/resources/heat/heat_template.yaml b/vitrage_tempest_plugin/tests/resources/heat/heat_template.yaml
index 4ee765f..0fe4434 100644
--- a/vitrage_tempest_plugin/tests/resources/heat/heat_template.yaml
+++ b/vitrage_tempest_plugin/tests/resources/heat/heat_template.yaml
@@ -12,7 +12,7 @@ parameters:
     default: public
   flavor:
     type: string
-    default: m1.small
+    default: m1.nano
 
 resources:
   server_2:
diff --git a/vitrage_tempest_plugin/tests/resources/heat/server.yaml b/vitrage_tempest_plugin/tests/resources/heat/server.yaml
index 4ee765f..0fe4434 100644
--- a/vitrage_tempest_plugin/tests/resources/heat/server.yaml
+++ b/vitrage_tempest_plugin/tests/resources/heat/server.yaml
@@ -12,7 +12,7 @@ parameters:
     default: public
   flavor:
     type: string
-    default: m1.small
+    default: m1.nano
 
 resources:
   server_2: