shuffle two

tests/shuffle/basic_shuffle.py

@@ -147,6 +147,7 @@ def basic_shuffle_2(conductor: ClusterConductor, dir, log: Logger):
             assert not (key in keys1)
         
         assert original_get_all.keys() == keys1 + keys2
+        assert len(original_get_all) == len(keys1) + len(keys2)
 
         return True, "ok"