/** @test */
public function clockShouldIncrement()
{
$clock = new Wall(1);
$clock->init();
$t = $clock->at();
usleep(3000);
// Sleep for a milli, a milli, a milli
$clock->inc();
$this->assertTrue($clock->tick(), "Clock has moved but did not tick");
$this->assertGreaterThan($t, $clock->at());
}
