public function testDuplicateAttributesRemoved()
{
$expected = ' id="tick" name="tick" checked="checked"';
$attributes = Html::attributes(array('id' => 'foo', 'name' => 'bar', 'id' => 'tick', 'name' => 'tick', 'checked' => 'checked', 'checked'));
$this->assertSame($expected, $attributes);
}
