diff --git a/asyauth/tests/url.py b/asyauth/tests/url.py
index 45a4104..8711f0a 100644
--- a/asyauth/tests/url.py
+++ b/asyauth/tests/url.py
@@ -44,7 +44,7 @@ class TestURLNTLM(unittest.TestCase):
             self.assertEqual(self.username, cred.username)
             self.assertEqual(self.stype, cred.stype)
             self.assertEqual(self.protocol, cred.protocol)
-            self.assertEqual(self.secret, cred.secret.decode())
+            self.assertEqual(self.secret, cred.secret)
 
 
     def test_ntlm_plain_b64(self):
@@ -58,7 +58,7 @@ class TestURLNTLM(unittest.TestCase):
             self.assertEqual(self.username, cred.username)
             self.assertEqual(self.stype, cred.stype)
             self.assertEqual(self.protocol, cred.protocol)
-            self.assertEqual(self.secret, cred.secret.decode())
+            self.assertEqual(self.secret, cred.secret)
 
     def test_ntlm_nt(self):
         urls = [
@@ -151,7 +151,7 @@ class TestURLKerberos(unittest.TestCase):
             self.assertEqual(self.username, cred.username)
             self.assertEqual(self.stype, cred.stype)
             self.assertEqual(self.protocol, cred.protocol)
-            self.assertEqual(self.secret, cred.secret.decode())
+            self.assertEqual(self.secret, cred.secret)
             self.assertEqual(self.target, cred.target.ip)
 
     def test_kerberos_plain_b64(self):
@@ -165,21 +165,7 @@ class TestURLKerberos(unittest.TestCase):
             self.assertEqual(self.username, cred.username)
             self.assertEqual(self.stype, cred.stype)
             self.assertEqual(self.protocol, cred.protocol)
-            self.assertEqual(self.secret, cred.secret.decode())
-            self.assertEqual(self.target, cred.target.ip)
-    
-    def test_kerberos_plain_b64(self):
-        urls = [
-            'smb2+kerberos-pwb64://TEST\\testuser:UGFzc3cwcmQhMQ==@10.10.10.2/?dc=10.10.10.2',
-        ]
-        
-        for url in urls:
-            cred = UniCredential.from_url(url)
-            self.assertEqual(self.domain, cred.domain)
-            self.assertEqual(self.username, cred.username)
-            self.assertEqual(self.stype, cred.stype)
-            self.assertEqual(self.protocol, cred.protocol)
-            self.assertEqual(self.secret, cred.secret.decode())
+            self.assertEqual(self.secret, cred.secret)
             self.assertEqual(self.target, cred.target.ip)
     
     def test_kerberos_nt(self):
@@ -301,4 +287,4 @@ class TestURLKerberos(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file
+    unittest.main()