public function testSettersAndGetters()
 {
     // Site key
     $this->captcha->setSiteKey($this->siteKey);
     $this->assertSame($this->siteKey, $this->captcha->getSiteKey());
     // Secret key
     $this->captcha->setSecretKey($this->secretKey);
     $this->assertSame($this->secretKey, $this->captcha->getSecretKey());
     // Theme
     $this->captcha->setTheme($this->theme);
     $this->assertSame($this->theme, $this->captcha->getTheme());
     // Type
     $this->captcha->setType($this->type);
     $this->assertSame($this->type, $this->captcha->getType());
     // Callback
     $this->captcha->setCallback($this->callback);
     $this->assertSame($this->callback, $this->captcha->getCallback());
 }