[ [ 'label' => 'button-A', ], [ 'label' => 'button-B', 'visible' => true, ], [ 'label' => 'button-C', 'visible' => false, ], Button::widget([ 'label' => 'button-D', ]), ], ]); $expected = <<button-A button-B button-D HTML; $this->assertEqualsWithoutLE($expected, $out); } }