public function testMissingFields()
 {
     $ss = new TPSiteSettings(array());
     $this->assertEquals(false, $ss->isEnabled());
     $this->assertEquals(true, $ss->isSand());
     $this->assertEquals("GET_AID", $ss->getAID());
     $this->assertEquals("GET_KEY", $ss->getSecretKey());
     $ss->setSand();
     $this->assertEquals("GET_AID", $ss->getAID());
     $this->assertEquals("GET_KEY", $ss->getSecretKey());
 }