PHPLIB-912: Skip failing test until test is updated (#960)

Author: alcaeus

tests/UnifiedSpecTests/UnifiedSpecTest.php

@@ -64,6 +64,8 @@ class UnifiedSpecTest extends FunctionalTestCase
         'valid-pass/createEntities-operation: createEntities operation' => 'CSOT is not yet implemented (PHPC-1760)',
         'valid-pass/entity-cursor-iterateOnce: iterateOnce' => 'CSOT is not yet implemented (PHPC-1760)',
         'valid-pass/matches-lte-operator: special lte matching operator' => 'CSOT is not yet implemented (PHPC-1760)',
+        // Fails on sharded clusters
+        'change-streams/change-streams-showExpandedEvents: when showExpandedEvents is true, createIndex events are reported' => 'Fails on sharded clusters (PHPLIB-912)',
     ];
 
     /** @var UnifiedTestRunner */