Increase timeout for connection-timeout-tests to 60s
Increase timeout for connection-timeout-tests to 60s

These are timing out on the CV jobs, particulary when run through
ThreadSanitizer

Change-Id: If72aa05b151919c9fee82111bdfb00fb48dbc49f
Reviewed-on: http://review.couchbase.org/61000
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

owendCB/memcached,daverigby/kv_engine,owendCB/memcached,daverigby/memcached,daverigby/memcached,couchbase/memcached,daverigby/kv_engine,couchbase/memcached,couchbase/memcached,daverigby/kv_engine,couchbase/memcached,owendCB/memcached,daverigby/memcached,daverigby/kv_engine,owendCB/memcached,daverigby/memcached