The CSOT spec now significantly diverges in its description of the feature from both the Python and Go implementations. We should wait for the spec to be updated (allowing language-specific syntax, bumping timeouts in tests, removing requirements for timeoutMode on cursors and timeoutMS options on non-client types) and the resolution of DRIVERS-2347. Once the spec is more stabilized and representative of what we've implemented in Go, we should make sure our implementation aligns with the new spec and continue the epic.