Fix client-side encryption test in timeoutMS.yml by correcting the number of expected listCollections operations to one, based on libmongocrypt's caching behavior.
Update description to reflect that the internal MongoClient, not configured for auto encryption, does not generate extra listCollections events.
Please complete the following before merging:
[ ] Update changelog. (no changelog)
[x] Make sure there are generated JSON files from the YAML test files.
[x] Test changes in at least one language driver.
[x] Test these changes against all server versions and topologies (including standalone, replica set, sharded
clusters, and serverless).
DRIVERS-2847
Please complete the following before merging:
Tested in Java driver https://github.com/mongodb/mongo-java-driver/pull/1363.