Initialize replicaset

Author: davimacedo

.travis.yml

@@ -44,6 +44,9 @@ before_script:
 - psql -c 'CREATE EXTENSION postgis;' -U postgres -d parse_server_postgres_adapter_test_database
 - psql -c 'CREATE EXTENSION postgis_topology;' -U postgres -d parse_server_postgres_adapter_test_database
 - silent=1 mongodb-runner --start
+- sleep 20
+- mongo --eval 'rs.initiate()'
+- sleep 20
 - greenkeeper-lockfile-update
 script:
 - npm run lint