mysql-testsuite 5.5.43-0ubuntu0.14.04.2 (i386 binary) in ubuntu trusty

 This is an empty package that depends on the current "best" version of
 mysql-testsuite (currently mysql-testsuite-5.5), as determined by the
 MySQL maintainers. Install this package if in doubt about which MySQL
 version you want, as this is the one we consider to be in the best shape.