fix: send subscription Stars invoice directly

tests/test_keyboards.py

@@ -173,46 +173,24 @@ class ModeRoutingTests(unittest.IsolatedAsyncioTestCase):
             "subscription:renew",
         )
 
-    async def test_renew_callback_opens_purchase_prompt(self):
+    async def test_renew_callback_sends_invoice_without_intermediate_message(self):
         message_bot = AsyncMock()
         message = Message(
             message_id=91,
             date=datetime.now(),
             chat=Chat(id=555, type="private"),
         ).as_(message_bot)
-        callback = SimpleNamespace(
-            message=message,
-            answer=AsyncMock(),
-        )
-        await bot.subscription_renew(callback, _StubState("subscription"))
-
-        callback.answer.assert_awaited_once_with()
-        sent_call = message_bot.await_args
-        if sent_call is None:
-            self.fail("purchase prompt was not sent")
-        sent = sent_call.args[0]
-        self.assertIn("Продление подписки", sent.text)
-        self.assertEqual(
-            sent.reply_markup.inline_keyboard[0][0].callback_data,
-            "subscription:buy",
-        )
-
-    async def test_buy_callback_sends_invoice_for_clicking_user(self):
-        message = Message(
-            message_id=92,
-            date=datetime.now(),
-            chat=Chat(id=555, type="private"),
-        ).as_(AsyncMock())
         callback = SimpleNamespace(
             message=message,
             from_user=SimpleNamespace(id=42),
             answer=AsyncMock(),
         )
         with patch.object(bot, "_send_subscription_invoice", new=AsyncMock()) as send_invoice:
-            await bot.subscription_buy(callback, _StubState("subscription"))
+            await bot.subscription_renew(callback, _StubState("subscription"))
 
         callback.answer.assert_awaited_once_with()
         send_invoice.assert_awaited_once_with(message, 42)
+        message_bot.assert_not_awaited()
 
     async def test_idea_command_generates_only_in_generation_mode(self):
         message = _StubMessage("/idea")