Enable php_unit_internal_class rule #874
Merged
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r? @remi-stripe @richardm-stripe
One more rule down. This enables the
php_unit_internal_class
rule, which requires that all test classes be final.This didn't work initially because we had a base
\Stripe\TestCase
class that was also made final by the formatter and thus could no longer be extended by actual test classes.I refactored it to be a trait instead of a base class (and renamed it to
\Stripe\TestHelper
), which is arguably better design (traits are better suited for code reuse than inheritance).