add

tests/test_formatters.py

@@ -75,6 +75,19 @@ def test_format_issued_access_contains_subscription_data() -> None:
     assert "/me</code>" not in text
 
 
+def test_format_issued_access_includes_custom_success_text() -> None:
+    text = format_issued_access(
+        subscription_url="https://example.com/sub",
+        expire_at=datetime(2026, 5, 21, 18, 0),
+        traffic_limit_bytes=0,
+        brand_name="OREOL VPN",
+        success_text="Откройте приложение и импортируйте ссылку <важно>.",
+    )
+
+    assert "Откройте приложение и импортируйте ссылку" in text
+    assert "&lt;важно&gt;" in text
+
+
 def test_format_issued_access_for_renewal_mentions_extension() -> None:
     text = format_issued_access(
         subscription_url="https://example.com/sub",