Major - P3 Unprojecting id in change streams is now a server error, we should update the test to expect OperationFailure on 4.2 while continuing to expect existing behavior on pre-4.2.
1) ./spec/mongo/collection/view/change_stream_spec.rb[1:4:1]
Mongo::Collection::View::ChangeStream when the first response does not contain the resume token raises an exception and closes the cursor
RSpec::Expectations::ExpectationNotMetError: expected Mongo::Error::MissingResumeToken, got #<Mongo::Error::OperationFailure: Encountered an event whose _id field, which contains the resume tok...72281577084F0CA90D3EC448CE6EFC46645F696400645C6B021333E9B64A591BB8E70004" } } but found: {} (51059)> with backtrace:
# ./lib/mongo/operation/result.rb:267:in `raise_operation_failure'
# ./lib/mongo/operation/result.rb:263:in `validate!'
# ./lib/mongo/operation/shared/executable.rb:26:in `execute'
# ./lib/mongo/operation/shared/executable_transaction_label.rb:27:in `execute'
# ./lib/mongo/operation/shared/op_msg_or_command.rb:27:in `execute'
# ./lib/mongo/collection/view/change_stream.rb:323:in `send_initial_query'
# ./lib/mongo/collection/view/change_stream.rb:267:in `create_cursor!'
# ./lib/mongo/collection/view/change_stream.rb:134:in `rescue in each'
# ./lib/mongo/collection/view/change_stream.rb:118:in `each'