Add example settings for unit test, remove invalid private argument.

awx/plugins/inventory/openstack.py

@@ -56,7 +56,7 @@ class OpenStackInventory(object):
             config_files.insert(0, os.environ['OPENSTACK_CONFIG_FILE'])
         config_files.append('/etc/ansible/openstack.yml')
         self.openstack_config = os_client_config.config.OpenStackConfig(
-            config_files, private)
+            config_files)
         self.clouds = shade.openstack_clouds(self.openstack_config)
         self.private = private
         self.refresh = refresh

awx/settings/local_settings.py.example

@@ -492,6 +492,12 @@ TEST_VMWARE_HOST = ''
 TEST_VMWARE_USER = ''
 TEST_VMWARE_PASSWORD = ''
 
+# OpenStack credentials
+TEST_OPENSTACK_HOST = ''
+TEST_OPENSTACK_USER = ''
+TEST_OPENSTACK_PASSWORD = ''
+TEST_OPENSTACK_PROJECT = ''
+
 # Azure credentials.
 TEST_AZURE_USERNAME = ''
 TEST_AZURE_KEY_DATA = ''