Two changes in tests to reflect new APIs: 1) Vladimir gets a cert filepath and 2) We don't pass tls as a kwarg anymore for keyring.

tests/characters/test_ursula_prepares_to_act_as_mining_node.py

@@ -127,4 +127,4 @@ def test_vladimir_uses_his_own_signing_key(blockchain_alice, blockchain_ursulas)
 
     # However, the actual handshake proves him wrong.
     with pytest.raises(vladimir.InvalidNode):
-        vladimir.verify_node(blockchain_alice.network_middleware)
+        vladimir.verify_node(blockchain_alice.network_middleware, certificate_filepath="doesn't matter")

tests/config/test_keyring.py

@@ -26,7 +26,6 @@ def test_generate_alice_keyring(tmpdir):
         password=password,
         encrypting=True,
         wallet=False,
-        tls=False,
         keyring_root=tmpdir
     )