Add a test to show that the user may set an alternate stream context …

[openbrian]

…to test snakeoil certified websites. Add an HTTPS server with a snakeoil certificate.

[openbrian]

https://travis-ci.org/giorgiosironi/phpunit-selenium/jobs/95665332 - The test fails because the https server didn't start.

[openbrian]

for #355

[giorgiosironi]

Inside the VM python-secure-webserver cannot start due to the path:

python: can't open file '../server.py': [Errno 2] No such file or directory

You probably need to add

directory=/vagrant/selenium-1-tests

to the supervisor configuration.