Update tests

tests/types.py

@@ -0,0 +1,16 @@
+"""Typings."""
+
+from dataclasses import dataclass
+from collections.abc import Callable
+
+PortFactory = Callable[[], int]
+
+
+@dataclass
+class TestPorts:
+    """Test port dataclass."""
+
+    backend: int
+    admin: int
+    sshd: int
+