Set display_errors to true in phpunit.xml and it will probably tell you more information about the error:
<phpunit>
<php>
<ini name="display_errors" value="true"/>
</php>
</phpunit>
Set display_errors to true in phpunit.xml and it will probably tell you more information about the error:
<phpunit>
<php>
<ini name="display_errors" value="true"/>
</php>
</phpunit>