public function testListsMilestones()
{
$tester = $this->getCommandTester(new IssueMilestoneListCommand());
$tester->execute();
$display = $tester->getDisplay();
$this->assertCommandOutputMatches('Issue milestones on gushphp/gush', $display);
$this->assertCommandOutputMatches('version 1.0', $display);
}