public function testAttributeMergePolicies() { $tag = new Tag(); $tag->disableAutoDump(); $tag->addAttribute('test', 'value'); $tag->addAttribute('test', 'value2', MergePolicy::COMBINE); $this->assertEquals(['value', 'value2'], $tag->getAttribute('test')->toArray()); $tag->addAttribute('test2', 'value3', MergePolicy::COMBINE); $this->assertEquals('value3', $tag->getAttribute('test2')); }