Added option to enable additional loggers

Fixes PROD-34686

Change-Id: Ibda9460e6fe1a0a2b6a504a7a9834ca17dde7c2b
diff --git a/tests/test-requirements.txt b/tests/test-requirements.txt
index 7188b2b..bc7dc7f 100644
--- a/tests/test-requirements.txt
+++ b/tests/test-requirements.txt
@@ -1,3 +1,4 @@
 jsonschema
 reno
 setuptools<45.0.0
+msgpack<1.0.0