public function getConnection()
 {
     $q = new SelectQuery();
     $this->assertNull($q->getConnection());
     $q->setPeer(Job::getPeer());
     $this->assertInstanceOf(MockConnection::class, $q->getConnection());
 }
 public function getConnection()
 {
     $q = new SelectQuery();
     $this->assertNull($q->getConnection());
     $q->setPeer(Job::getPeer());
     $this->assertClass($q->getConnection(), 'net.xp_framework.unittest.rdbms.mock.MockConnection');
 }