CBQE-0:minor fixes in basetestcase logs

Change-Id: Ie557d36e703ae50a2a8c5386c77920ee0127bac4
Reviewed-on: http://review.couchbase.org/34979
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>