tweak datalayer test consistency (#19325)

avoid depending on the order of the rpc call response

chia/_tests/core/data_layer/test_data_rpc.py

@@ -418,20 +418,26 @@ async def test_keys_values_ancestors(
         assert res is not None
         store_id = bytes32.from_hexstr(res["id"])
         await farm_block_check_singleton(data_layer, full_node_api, ph, store_id, wallet=wallet_rpc_api.service)
+        reference_hashes = []
         key1 = b"a"
         value1 = b"\x01\x02"
+        reference_hashes.append(leaf_hash(key=key1, value=value1))
         changelist: list[dict[str, str]] = [{"action": "insert", "key": key1.hex(), "value": value1.hex()}]
         key2 = b"b"
         value2 = b"\x03\x02"
+        reference_hashes.append(leaf_hash(key=key2, value=value2))
         changelist.append({"action": "insert", "key": key2.hex(), "value": value2.hex()})
         key3 = b"c"
         value3 = b"\x04\x05"
+        reference_hashes.append(leaf_hash(key=key3, value=value3))
         changelist.append({"action": "insert", "key": key3.hex(), "value": value3.hex()})
         key4 = b"d"
         value4 = b"\x06\x03"
+        reference_hashes.append(leaf_hash(key=key4, value=value4))
         changelist.append({"action": "insert", "key": key4.hex(), "value": value4.hex()})
         key5 = b"e"
         value5 = b"\x07\x01"
+        reference_hashes.append(leaf_hash(key=key5, value=value5))
         changelist.append({"action": "insert", "key": key5.hex(), "value": value5.hex()})
         res = await data_rpc_api.batch_update({"id": store_id.hex(), "changelist": changelist})
         update_tx_rec0 = res["tx_id"]
@@ -449,7 +455,7 @@ async def test_keys_values_ancestors(
         assert len(keys["keys"]) == len(dic)
         for key in keys["keys"]:
             assert key in dic
-        val = await data_rpc_api.get_ancestors({"id": store_id.hex(), "hash": val["keys_values"][4]["hash"]})
+        val = await data_rpc_api.get_ancestors({"id": store_id.hex(), "hash": reference_hashes[4].hex()})
         # todo better assertions for get_ancestors result
         assert len(val["ancestors"]) == 1
         res_before = await data_rpc_api.get_root({"id": store_id.hex()})