diff --git a/mistral/tests/unit/actions/test_std_test_dict_action.py b/mistral/tests/unit/actions/test_std_test_dict_action.py
new file mode 100644
index 000000000..b572b90e8
--- /dev/null
+++ b/mistral/tests/unit/actions/test_std_test_dict_action.py
@@ -0,0 +1,32 @@
+#    Copyright 2018 Nokia Networks.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import mock
+
+from mistral.actions import std_actions as std
+from mistral.tests.unit import base
+
+
+class TestDictActionTest(base.BaseTest):
+    def test_default_inputs(self):
+        dict_size = 99
+
+        action = std.TestDictAction(dict_size, key_prefix='key', val='val')
+
+        d = action.run(mock.Mock())
+
+        self.assertIsNotNone(d)
+        self.assertEqual(dict_size, len(d))
+        self.assertIn('key0', d)
+        self.assertIn('key{}'.format(dict_size - 1), d)