public function testTestMethodWIllPassUnknownAttributeClassToParentForResolution() { $attr = new \Chippyash\Matrix\Attribute\IsSquare(); $testArray = [[1, 2, 3], [3, 2, 1], [2, 1, 3]]; $mA = new NumericMatrix($testArray); $this->assertTrue($mA->test($attr)); }