/**
  * Tests getOffset method.
  *
  * @param int $page     Current page.
  * @param int $limit    Max count of results per page.
  * @param int $expected Expected result.
  *
  * @dataProvider getTestGetOffsetData
  */
 public function testGetOffset($page, $limit, $expected)
 {
     $mockPagerAdapter = $this->getPagerAdapterMock();
     $pager = new PagerService($mockPagerAdapter, ['page' => $page, 'limit' => $limit]);
     $result = $pager->getOffset();
     $this->assertEquals($expected, $result);
 }