CORD-2238 unit tests for vEG model policies

Change-Id: Icc98e98ae677b1fc0855e7c20e542868527f3a7f
(cherry picked from commit faa6b5b1b628a394a2c97fdc7e38245eb8c9e07c)
diff --git a/xos/unittest.cfg b/xos/unittest.cfg
new file mode 100644
index 0000000..a5bdb18
--- /dev/null
+++ b/xos/unittest.cfg
@@ -0,0 +1,4 @@
+[unittest]
+plugins=nose2-plugins.exclude
+code-directories=synchronizer
+                 model_policies