comment for topology reasoning

Author: nbbeeken

test/integration/change-streams/change_stream.test.ts

@@ -1742,6 +1742,9 @@ describe('Change Streams', function () {
     .runOnRequirement({
       minServerVersion: '4.0.0',
       auth: true,
+      // Running on replicaset because other topologies are finiky with the cluster-wide events
+      // Dropping and renaming and creating collections in order to achieve a clean slate isn't worth the goal of these tests
+      // We just want to show that the new ChangeStreamDocument type information can reproduced in a real env
       topologies: ['replicaset']
     })
     .createEntities([