Fix CI error in job for prefer-lowest packages #50
+3
−3
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To fix cron build failure like https://travis-ci.org/github/Connehito/cake-sentry/jobs/708657380
What happened
As a result of the last build, each package remains in the cache with a non-prefer-lowest mode of dependency resolution.
This caused a situation where the version of PHPUnit conflicts with the version of PHPUnit when doing a downgrade of CakePHP.
The failure of the Composer's command made CI build an error.
What I do
To do prefer-lowest dependency resolution first, so that CakePHP downgrade can be done