disable this assertion until issue #231 is fixed
Issue #358 - fold testPusherDeletedDoc test into singleMockPusher.

Also rename integration tests to say "integration" at start.

https://github.com/couchbase/couchbase-lite-android/issues/358
Issue #358 - modify lastSequence to be 5

https://github.com/couchbase/couchbase-lite-android/issues/358