Set timezone in PHPUnit bootstrap
Set timezone in PHPUnit bootstrap

Summary:
Set the php timezone in the PHPUnit bootstrap
so that tests will be executed with the expected timezone.

Test Plan: Run unit tests

Reviewers: #forgetit-dev, claus.due

Reviewed By: #forgetit-dev, claus.due

Differential Revision: https://phabricator.dkd.de/D623

dkd/php-cmis-client