Update runtest for rabbitmq salt-formula and fixed related issues

PROD-35328

Change-Id: Ibcc08ae0d8aae26cedc4b37ad0112e76f798c644
diff --git a/tests/test-requirements.txt b/tests/test-requirements.txt
new file mode 100644
index 0000000..bc7dc7f
--- /dev/null
+++ b/tests/test-requirements.txt
@@ -0,0 +1,4 @@
+jsonschema
+reno
+setuptools<45.0.0
+msgpack<1.0.0