CORD-2905 Run XOS API tests using 'helm test xos-core'

Change-Id: I932fb727c1b06b9420fa430a2224cc0ac4c1568a
diff --git a/examples/filter-images.yaml b/examples/filter-images.yaml
index aa0411f..ff4b082 100644
--- a/examples/filter-images.yaml
+++ b/examples/filter-images.yaml
@@ -33,6 +33,7 @@
 - xosproject/addressmanager-synchronizer
 - xosproject/vsg-hw-synchronizer
 - xosproject/fabric-synchronizer
+- xosproject/xos-api-tester
 - nginx
 - node
 - postgres