public function it_sets_a_row_by_index()
{
$expectedFirstName = 'Jeb ' . time();
$provider = ArrayDataProviderFactory::defaultArrayDataProvider();
$provider->setRow(1, ['FirstName' => $expectedFirstName]);
$updatedRow = $provider->getRow(1);
$this->assertEquals($expectedFirstName, $updatedRow['FirstName']);
}