update healthchecker for make simple test

Change-Id: I7d26d3481f3a66a964526081c8a0b6ff8681dd42
Reviewed-on: http://review.couchbase.org/33208
Reviewed-by: Philip Labee <philip@couchbase.com>
Reviewed-by: Eric Limare <eric.limare@couchbase.com>
Tested-by: Eric Limare <eric.limare@couchbase.com>