Update .travis.yml

Author: shubhamqweasd

.travis.yml

@@ -28,6 +28,7 @@ install:
   fi
 - docker run --name cloudboost -e  MAIL_PROVIDER=$MAIL_PROVIDER -e  MAIL_PROVIDER_API_KEY=$MAIL_PROVIDER_API_KEY -e  DOMAIN=$DOMAIN -e  FROM_EMAIL=$FROM_EMAIL -e  FROM_NAME=$FROM_NAME -p 4730:4730 -it --link redis:redis --link mongo:mongo -d cloudboost/cloudboost:2.0.$TRAVIS_BUILD_NUMBER
 - sleep 30s
+- docker logs cloudboost
 - git clone https://github.com/cloudboost/javascriptsdk
 - cd javascriptsdk
 - npm install