public function it_deletes_a_row_by_index()
{
$provider = ArrayDataProviderFactory::defaultArrayDataProvider();
$toBeDeleted = $provider->getData(['take' => 1]);
$rowsAffected = $provider->deleteItem(0);
$nextItems = $provider->getData(['take' => 1]);
$this->assertEquals(1, $rowsAffected);
$this->assertNotEquals($toBeDeleted[0], $nextItems[0]);
}