Zuul: support plugin dependencies

Change-Id: I81302e8988fe6498fea9f08ed66f5d0cc1fce161
diff --git a/tests/test_write_devstack_local_conf_role.sh b/tests/test_write_devstack_local_conf_role.sh
new file mode 100755
index 0000000..b2bc0a2
--- /dev/null
+++ b/tests/test_write_devstack_local_conf_role.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+TOP=$(cd $(dirname "$0")/.. && pwd)
+
+# Import common functions
+source $TOP/functions
+source $TOP/tests/unittest.sh
+
+python ./roles/write-devstack-local-conf/library/test.py