public function testOrderBy()
 {
     $result = $this->connection->select('writers', 'name', null, 'name');
     $this->assertInstanceOf(ResultInterface::class, $result);
     $this->assertCount(3, $result);
     $writers = [];
     foreach ($result as $row) {
         $writers[] = $row;
     }
     $this->assertCount(3, $writers);
     $this->assertEquals('Alexander Pushkin', $writers[0]['name']);
     $this->assertEquals('Fyodor Dostoyevsky', $writers[1]['name']);
     $this->assertEquals('Leo Tolstoy', $writers[2]['name']);
 }