Update probot to use phpunit 5 (or higher)
@totten can we get probot tweaked to use a later phpunit version - see https://test.civicrm.org/job/Extension-SHA/586/console
In Process.php line 50:
[Civici\Exception\ProcessErrorException]
Process failed:
[[ COMMAND: phpunit4 --tap --group e2e --log-junit '/home/jenkins/workspace
/Extension-SHA/junit/e2e.xml' ]]
[[ CWD: /home/jenkins/bknix-dfl/build/ext-0/sites/default/files/civicrm/ext
/target ]]
[[ EXIT CODE: 255 ]]
[[ STDOUT ]]
Fatal error: Class 'PHPUnit\Framework\TestCase' not found in /home/jenkins/
bknix-dfl/build/ext-0/sites/default/files/civicrm/ext/target/tests/phpunit/
BaseTestClass.php on line 23