test that created data keys insert with majority writeConcern
@@ -177,7 +177,7 @@ module.exports = function(modules) {
this._client
.db(dbName)
.collection(collectionName)
- .insertOne(dataKey, (err, result) => {
+ .insertOne(dataKey, { w: 'majority' }, (err, result) => {
if (err) {
cb(err, null);
return;
