public function testGetters()
{
$this->assertEquals('Time Server', $this->exercise->getName());
$this->assertEquals('Build a Time Server!', $this->exercise->getDescription());
$this->assertEquals(ExerciseType::CLI, $this->exercise->getType());
$this->assertInstanceOf(SolutionInterface::class, $this->exercise->getSolution());
$this->assertFileExists(realpath($this->exercise->getProblem()));
$this->assertNull($this->exercise->tearDown());
}