public function testCreateIndexWithDeprecatedOptions()
{
$this->getCollection()->createIndex(['foo' => 1], ['w' => 1]);
$expected = ['createdCollectionAutomatically' => false, 'numIndexesBefore' => 2, 'numIndexesAfter' => 2, 'note' => 'all indexes already exist', 'ok' => 1.0];
$this->assertSame($expected, $this->getCollection()->createIndex(['foo' => 1]));
}