public function testFlippingCardFaceDownAndUpright() { $this->assertFalse($this->card->isFaceDown()); $this->card->flipFaceDown(); $this->assertTrue($this->card->isFaceDown()); $this->card->flipFaceUp(); $this->assertFalse($this->card->isFaceDown()); $this->card->flipCard(); $this->assertTrue($this->card->isFaceDown()); $this->card->flipCard(); $this->assertFalse($this->card->isFaceDown()); }