CBQE-1338 remove test cases not fit for mac single node

Change-Id: Ib391425bac4708c3464a34ddb0ff00b68df8bda9
Reviewed-on: http://review.couchbase.org/26948
Reviewed-by: Chisheng Hong <chisheng@couchbase.com>
Tested-by: Chisheng Hong <chisheng@couchbase.com>