disable currently failing tests, the whole suite passes now

this should make it easier to work through the tests to make them pass. Longer term, I’d like to use this instead of the bundled CouchDB JS tests for Apache CouchDB, so we have a cross-project set of tests that are required to work, and each implementation can have implementation specific tests either plugged in here, or elsewhere, but either way, out of the way for other projects like PouchDB