Fixing checking bytecode.

We have a plan to migrate service clients to tempest-lib from Tempest.
However, we are not doing enough tests for service clients now.
This patch fixes checking bytecode.

Change-Id: I801973a193e8e786b93ee50983970bfd3230235d
diff --git a/tempest/tests/services/compute/test_servers_client.py b/tempest/tests/services/compute/test_servers_client.py
index 5813318..44cc22d 100644
--- a/tempest/tests/services/compute/test_servers_client.py
+++ b/tempest/tests/services/compute/test_servers_client.py
@@ -77,7 +77,7 @@
             }
         ],
         "metadata": {
-            u"My Server Nu\1234me": u"Apau\1234che1"
+            u"My Server N\u1234me": u"Apa\u1234che1"
         },
         "name": u"new\u1234-server-test",
         "progress": 0,