Travis sometimes throws segment fault on the following test.

[crynobone]

Test 'Orchestra\Tests\Unit\Http\Presenters\UserTest::testTableMethod' started /home/travis/.travis/job_stages: line 57: 3356 Segmentation fault (core dumped) vendor/bin/phpunit -c phpunit.xml --verbose --debug

https://travis-ci.org/orchestral/foundation/jobs/355173740