Use assertNotEquals when comparing cursor IDs

Author: alcaeus

tests/Operation/WatchFunctionalTest.php

@@ -1374,7 +1374,7 @@ public function testOriginalReadPreferenceIsPreservedOnResume(): void
         $this->forceChangeStreamResume();
 
         $changeStream->next();
-        $this->assertNotSame($previousCursorId, $changeStream->getCursorId());
+        $this->assertNotEquals($previousCursorId, $changeStream->getCursorId());
 
         $getCursor = Closure::bind(
             fn () => $this->iterator->getInnerIterator(),