py3: add b'' prefixes in tests/test-hgweb-no-request-uri.t

# skip-blame because just b'' prefixes.

Differential Revision: https://phab.mercurial-scm.org/D4611

tests/test-hgweb-no-request-uri.t

@@ -64,22 +64,22 b' should be used from d74fc8dec2b4 onward '
   > output = stringio()
   > env['PATH_INFO'] = '/'
   > env['QUERY_STRING'] = 'style=atom'
-  > process(hgweb('.', name = 'repo'))
+  > process(hgweb(b'.', name = b'repo'))
   > 
   > output = stringio()
   > env['PATH_INFO'] = '/file/tip/'
   > env['QUERY_STRING'] = 'style=raw'
-  > process(hgweb('.', name = 'repo'))
+  > process(hgweb(b'.', name = b'repo'))
   > 
   > output = stringio()
   > env['PATH_INFO'] = '/'
   > env['QUERY_STRING'] = 'style=raw'
-  > process(hgwebdir({'repo': '.'}))
+  > process(hgwebdir({'repo': b'.'}))
   > 
   > output = stringio()
   > env['PATH_INFO'] = '/repo/file/tip/'
   > env['QUERY_STRING'] = 'style=raw'
-  > process(hgwebdir({'repo': '.'}))
+  > process(hgwebdir({'repo': b'.'}))
   > EOF
   $ $PYTHON request.py
   ---- STATUS