Test for generating cert.

tests/characters/test_ursula_prepares_to_act_as_mining_node.py

@@ -0,0 +1,9 @@
+from nkms.characters import Ursula
+from nkms.crypto.powers import SigningPower
+
+
+def test_ursula_generates_self_signed_cert():
+    ursula = Ursula(attach_server=False)
+    cert, cert_private_key = ursula.generate_self_signed_certificate()
+    public_key_numbers = ursula.public_key(SigningPower).point_key.to_cryptography_pub_key().public_numbers()
+    assert cert.public_key().public_numbers() == public_key_numbers