public function testSortKeysSortsAlphabetically()
{
$unsorted = array('b' => 'a', 'z' => 'a', 'c' => 'a', 'a' => 'a');
$sorted = array('a' => 'a', 'b' => 'a', 'c' => 'a', 'z' => 'a');
$this->assertSame($sorted, $this->object->sortKeys($unsorted));
}
