Added tests to sdc-pubsub

Added tests files and coverage to sdc-pubsub

Change-Id: I45146ae8d18f229d92afb60208532a1a0ca4192a
Issue-ID: SDC-1542
Signed-off-by: Idan Amit <ia096e@intl.att.com>
diff --git a/.npmignore b/.npmignore
index 56d2e84..f72406b 100644
--- a/.npmignore
+++ b/.npmignore
@@ -9,8 +9,10 @@
 .gitattributes
 .idea/
 .gitignore
-.npm-debug.log
+npm-debug.*
 INFO.yaml
 sdc-pubsub.iml
 node/
-pom.xml
\ No newline at end of file
+pom.xml
+/coverage/
+/jest.config.js