CBQE-0: fix cbcollectinfo test

Test don't have to wait expected_rows number if there is an error expected

Change-Id: I7e0d4f697112dc1ff7a0d9e99a05dc6feb69bd65
Reviewed-on: http://review.couchbase.org/32899
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>