Merge pull request #747

* phplib-552:
  PHPLIB-522: sort outcome collection by ID

Author: alcaeus

tests/SpecTests/FunctionalTestCase.php

@@ -106,7 +106,7 @@ protected function assertOutcomeCollectionData(array $expectedDocuments, $result
 
         $mi = new MultipleIterator(MultipleIterator::MIT_NEED_ANY);
         $mi->attachIterator(new ArrayIterator($expectedDocuments));
-        $mi->attachIterator(new IteratorIterator($outcomeCollection->find()));
+        $mi->attachIterator(new IteratorIterator($outcomeCollection->find([], ['sort' => ['_id' => 1]])));
 
         foreach ($mi as $documents) {
             list($expectedDocument, $actualDocument) = $documents;