Updated parsing/vault/test_vault.py to use the fake byte literals in six when using hexlify.

This was to fix the `TypeError: 'str' does not support the buffer interface` errors.

v2/test/parsing/vault/test_vault.py

@@ -24,6 +24,8 @@ import os
 import shutil
 import time
 import tempfile
+import six
+
 from binascii import unhexlify
 from binascii import hexlify
 from nose.plugins.skip import SkipTest
@@ -69,7 +71,7 @@ class TestVaultLib(unittest.TestCase):
     def test_is_encrypted(self):
         v = VaultLib(None)
         assert not v.is_encrypted("foobar"), "encryption check on plaintext failed"
-        data = "$ANSIBLE_VAULT;9.9;TEST\n%s" % hexlify("ansible")
+        data = "$ANSIBLE_VAULT;9.9;TEST\n%s" % hexlify(six.b("ansible"))
         assert v.is_encrypted(data), "encryption check on headered text failed"
 
     def test_add_header(self):
@@ -121,7 +123,7 @@ class TestVaultLib(unittest.TestCase):
             raise SkipTest
         v = VaultLib('ansible')
         v.cipher_name = 'AES'
-        data = "$ANSIBLE_VAULT;9.9;TEST\n%s" % hexlify("ansible")
+        data = "$ANSIBLE_VAULT;9.9;TEST\n%s" % hexlify(six.b("ansible"))
         error_hit = False
         try:
             enc_data = v.encrypt(data)