public function testDocToArrayMulti()
{
$rpbDoc = new RpbSearchDoc();
$rpbDoc->addFields($this->createRpbPair('multi_ss', '1'));
$rpbDoc->addFields($this->createRpbPair('multi_ss', '2'));
$rpbDoc->addFields($this->createRpbPair('multi_ss', '3'));
$result = $this->invokeMethod($this->instance, 'docToArray', [$rpbDoc]);
$this->assertArrayHasKey('multi_ss', $result);
$this->assertEquals(['1', '2', '3'], $result['multi_ss']);
}
