Again only with mongodb-runner and removing cache

Author: davimacedo

.travis.yml

@@ -1,7 +1,6 @@
 language: node_js
 dist: trusty
 services:
-- mongodb
 - postgresql
 - redis-server
 - docker
@@ -19,14 +18,12 @@ branches:
 cache:
   directories:
   - "$HOME/.npm"
-  - "$HOME/.mongodb/versions"
 stage: test
 env:
   global:
   - COVERAGE_OPTION='./node_modules/.bin/nyc'
-  - MONGODB_TOPOLOGY=replicaset
   matrix:
-  - MONGODB_VERSION=4.0.4
+  - MONGODB_VERSION=4.0.4 MONGODB_TOPOLOGY=replicaset
   - MONGODB_VERSION=3.6.9
   - PARSE_SERVER_TEST_DB=postgres
   - PARSE_SERVER_TEST_CACHE=redis
@@ -43,6 +40,7 @@ before_script:
 - psql -c 'create database parse_server_postgres_adapter_test_database;' -U postgres
 - 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
 - greenkeeper-lockfile-update
 script:
 - npm run lint