py3: add a missing b'' in tests/test-newercgi.t

# skip-blame because just b'' prefixes

Differential Revision: https://phab.mercurial-scm.org/D4674

tests/test-newercgi.t

@@ -1,60 +1,60 b''
 #require no-msys # MSYS will translate web paths as if they were file paths
 
 This is a rudimentary test of the CGI files as of d74fc8dec2b4.
 
   $ hg init test
 
   $ cat >hgweb.cgi <<HGWEB
   > #!$PYTHON
   > #
   > # An example CGI script to use hgweb, edit as necessary
   > 
   > import cgitb
   > cgitb.enable()
   > 
   > from mercurial import demandimport; demandimport.enable()
   > from mercurial.hgweb import hgweb
   > from mercurial.hgweb import wsgicgi
   > 
   > application = hgweb(b"test", b"Empty test repository")
   > wsgicgi.launch(application)
   > HGWEB
 
   $ chmod 755 hgweb.cgi
 
   $ cat >hgweb.config <<HGWEBDIRCONF
   > [paths]
   > test = test
   > HGWEBDIRCONF
 
   $ cat >hgwebdir.cgi <<HGWEBDIR
   > #!$PYTHON
   > #
   > # An example CGI script to export multiple hgweb repos, edit as necessary
   > 
   > import cgitb
   > cgitb.enable()
   > 
   > from mercurial import demandimport; demandimport.enable()
   > from mercurial.hgweb import hgwebdir
   > from mercurial.hgweb import wsgicgi
   > 
-  > application = hgwebdir("hgweb.config")
+  > application = hgwebdir(b"hgweb.config")
   > wsgicgi.launch(application)
   > HGWEBDIR
 
   $ chmod 755 hgwebdir.cgi
 
   $ . "$TESTDIR/cgienv"
   $ "$PYTHON" hgweb.cgi > page1
   $ "$PYTHON" hgwebdir.cgi > page2
 
   $ PATH_INFO="/test/"
   $ PATH_TRANSLATED="/var/something/test.cgi"
   $ REQUEST_URI="/test/test/"
   $ SCRIPT_URI="http://hg.omnifarious.org/test/test/"
   $ SCRIPT_URL="/test/test/"
   $ "$PYTHON" hgwebdir.cgi > page3
 
   $ grep -i error page1 page2 page3
   [1]