Adrien Crivelli aef4d711f5 Use `self::assert*()` instead of `$this->assert*()` ... Because even if it doesn't make a difference in practice, it is technically more correct to call static methods statically. It also better advertise that those methods can be used from any context.		2017-09-22 14:22:44 +09:00
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WorkbookTest.php	Use `self::assert*()` instead of `$this->assert*()`	2017-09-22 14:22:44 +09:00