To skip tests. See #16564 (comment)

See https://www.boost.org/doc/libs/1_59_0/libs/test/doc/html/boost_test/tests_organization/enabling.html

https://packages.debian.org/jessie/libboost-all-dev is going to die in about a month https://wiki.debian.org/DebianReleases#Production_Releases

https://packages.ubuntu.com/xenial/libboost-all-dev is going to die in less than a year https://ubuntu.com/about/release-cycle