Add missing import (#402)

This test currently only works when run after other tests which import `morpheus.config`

Authors:
  - David Gardner (https://github.com/dagardner-nv)

Approvers:
  - Michael Demoret (https://github.com/mdemoret-nv)

URL: #402

tests/test_config.py

@@ -19,6 +19,7 @@
 from unittest import mock
 
 import morpheus
+import morpheus.config
 
 # Using morpheus.config to distinguish between the config package and the pytest fixture of the same name