py3: add b'' prefixes in tests/test-hgweb-no-path-info.t

# skip-blame because just b'' prefixes

Differential Revision: https://phab.mercurial-scm.org/D4610

tests/test-hgweb-no-path-info.t

@@ -64,11 +64,11 b' should be used from d74fc8dec2b4 onward '
   > 
   > output = stringio()
   > env['QUERY_STRING'] = 'style=atom'
-  > process(hgweb('.', name='repo'))
+  > process(hgweb(b'.', name=b'repo'))
   > 
   > output = stringio()
   > env['QUERY_STRING'] = 'style=raw'
-  > process(hgwebdir({'repo': '.'}))
+  > process(hgwebdir({'repo': b'.'}))
   > EOF
   $ $PYTHON request.py
   ---- STATUS