Add description on regression tests
Fix EZP-23126: do not redirect to /login when in legacy_mode
[Test] Change back to mock interface

Should be fixed now in hhvm-nightly as of:
https://github.com/facebook/hhvm/commit/8ecf23470b640067ae9daffbaa38f02828ae3996

So changing this back to how it was.
Merge pull request #918 from joaoinacio/EZP-23126_legacymode_login

Fix EZP-23126: do not redirect to /login when in legacy_mode
Merge pull request #920 from ezsystems/hhvm_interface_test

[Test] Change back to mock interface