tests: adjust \`...' quoting to '...' to adapt to latest gnulib

Run this:
  git grep -l "\\\\\`[^']*'" tests \
    |xargs perl -pi -e 's/\\\`(.*?'\'')/'\''$1/g

2 files changed, 10 insertions, 10 deletions

diff --git a/tests/rm/rm3 b/tests/rm/rm3
index 06a93f583..17118d1fe 100755
--- a/tests/rm/rm3
+++ b/tests/rm/rm3
@@ -55,15 +55,15 @@ tr '?' '\n' < out | head --bytes=-1 | sed 's/^ //' |sort > o2
 mv o2 out
 
 sort <<EOF > exp || fail=1
-rm: descend into directory \`z'
-rm: remove regular empty file \`z/empty'
-rm: remove write-protected regular file \`z/fu'
-rm: remove write-protected regular empty file \`z/empty-u'
-rm: remove symbolic link \`z/slink'
-rm: remove symbolic link \`z/slinkdot'
-rm: remove directory \`z/d'
-rm: remove write-protected directory \`z/du'
-rm: remove directory \`z'
+rm: descend into directory 'z'
+rm: remove regular empty file 'z/empty'
+rm: remove write-protected regular file 'z/fu'
+rm: remove write-protected regular empty file 'z/empty-u'
+rm: remove symbolic link 'z/slink'
+rm: remove symbolic link 'z/slinkdot'
+rm: remove directory 'z/d'
+rm: remove write-protected directory 'z/du'
+rm: remove directory 'z'
 EOF
 
 compare exp out || fail=1
diff --git a/tests/rm/unreadable b/tests/rm/unreadable
index 1ef9e9c62..e5158273b 100755
--- a/tests/rm/unreadable
+++ b/tests/rm/unreadable
@@ -38,7 +38,7 @@ my @Tests =
      ['unreadable-2', '-rf', $d,
       {EXIT => $uid == 0 ? 0 : 1},
       {ERR => $uid == 0 ? ''
-                        : "$prog: cannot remove \`$d': Permission denied\n"},
+                        : "$prog: cannot remove '$d': Permission denied\n"},
       {PRE => sub { (mkdir $d,0700 and mkdir "$d/x",0700 and chmod 0100,$d)
                     or die "$d: $!\n"}} ],
     );