/**
  * Gets join part of the given join identifier
  *
  * @param string $joinId
  *
  * @return string
  */
 protected function getJoin($joinId)
 {
     return $this->joinIdHelper->getJoin($joinId);
 }
 /**
  * @dataProvider getJoinProvider
  */
 public function testGetJoin($joinId, $expected)
 {
     $this->assertEquals($expected, $this->helper->getJoin($joinId));
 }