test: add binance spot-delist test

tests/exchange/test_binance.py

@@ -1158,6 +1158,26 @@ def test_check_delisting_futures(default_conf_usdt, mocker, markets):
 
 
 def test_get_spot_delist_schedule(default_conf_usdt, mocker):
+    exchange = get_patched_exchange(mocker, default_conf_usdt, exchange="binance")
+    ret_value = [{"delistTime": 1759114800000, "symbols": ["ETCBTC"]}]
+    schedule_mock = mocker.patch.object(exchange, "get_spot_delist_schedule", return_value=None)
+
+    # None - mode is DRY
+    assert exchange.get_spot_pair_delist_time("ETC/BTC") is None
+    # Switch to live
+    exchange._config["runmode"] = RunMode.LIVE
+    assert exchange.get_spot_pair_delist_time("ETC/BTC") is None
+
+    mocker.patch.object(exchange, "get_spot_delist_schedule", return_value=ret_value)
+    resp = exchange.get_spot_pair_delist_time("ETC/BTC")
+    assert resp == dt_utc(2025, 9, 29, 3, 0)
+    assert schedule_mock.call_count == 1
+    schedule_mock.reset_mock()
+
+    # Caching - don't refresh.
+    assert exchange.get_spot_pair_delist_time("ETC/BTC", refresh=False) == dt_utc(2025, 9, 29, 3, 0)
+    assert schedule_mock.call_count == 0
+
     api_mock = MagicMock()
     ccxt_exceptionhandlers(
         mocker,