Slightly late to the party, but [x] +1: Good to go
Ubuntu 16.04 x64: test suites for httpd and mod_websocket pass with APR 1.5.2, APR-Util 1.5.4 OpenSSL 1.0.2g (Debian patched) mpm_event, mpm_prefork, mpm_worker mod_websocket 0.1.1I didn't test brotli or PHP. The prefork tests intermittently run into PR 23238's segfault [1].
--Jacob [1] https://bz.apache.org/bugzilla/show_bug.cgi?id=23238