tests: cleanup CardanoGetPublicKey test

trezorlib/tests/device_tests/test_msg_cardano_get_public_key.py

@@ -32,34 +32,31 @@ class TestMsgCardanoGetPublicKey(TrezorTest):
         [
             (
                 "m/44'/1815'/0'",
-                "c0fce1839f1a84c4e770293ac2f5e0875141b29017b7f56ab135352d00ad6966",
-                "07faa161c9f5464315d2855f70fdf1431d5fa39eb838767bf17b69772137452f",
+                b"c0fce1839f1a84c4e770293ac2f5e0875141b29017b7f56ab135352d00ad6966",
+                b"07faa161c9f5464315d2855f70fdf1431d5fa39eb838767bf17b69772137452f",
             ),
             (
                 "m/44'/1815'/1'",
-                "ea5dde31b9f551e08a5b6b2f98b8c42c726f726c9ce0a7072102ead53bd8f21e",
-                "70f131bb799fd659c997221ad8cae7dcce4e8da701f8101cf15307fd3a3712a1",
+                b"ea5dde31b9f551e08a5b6b2f98b8c42c726f726c9ce0a7072102ead53bd8f21e",
+                b"70f131bb799fd659c997221ad8cae7dcce4e8da701f8101cf15307fd3a3712a1",
             ),
             (
                 "m/44'/1815'/2'",
-                "076338cee5ab3dae19f06ccaa80e3d4428cf0e1bdc04243e41bba7be63a90da7",
-                "5dcdf129f6f2d108292e615c4b67a1fc41a64e6a96130f5c981e5e8e046a6cd7",
+                b"076338cee5ab3dae19f06ccaa80e3d4428cf0e1bdc04243e41bba7be63a90da7",
+                b"5dcdf129f6f2d108292e615c4b67a1fc41a64e6a96130f5c981e5e8e046a6cd7",
             ),
             (
                 "m/44'/1815'/3'",
-                "5f769380dc6fd17a4e0f2d23aa359442a712e5e96d7838ebb91eb020003cccc3",
-                "1197ea234f528987cbac9817ebc31344395b837a3bb7c2332f87e095e70550a5",
+                b"5f769380dc6fd17a4e0f2d23aa359442a712e5e96d7838ebb91eb020003cccc3",
+                b"1197ea234f528987cbac9817ebc31344395b837a3bb7c2332f87e095e70550a5",
             ),
         ],
     )
     def test_cardano_get_public_key(self, path, public_key, chain_code):
         self.setup_mnemonic_allallall()
 
-        root_hd_passphrase = None
-
         key = get_public_key(self.client, parse_path(path))
 
-        assert hexlify(key.node.public_key).decode() == public_key
-        assert hexlify(key.node.chain_code).decode() == chain_code
-        assert key.xpub == public_key + chain_code
-        assert key.root_hd_passphrase == root_hd_passphrase
+        assert hexlify(key.node.public_key) == public_key
+        assert hexlify(key.node.chain_code) == chain_code
+        assert key.xpub.encode() == public_key + chain_code