tests: ignore possible diagnostics from gpg 2.2

Differential Revision: https://phab.mercurial-scm.org/D8672

tests/test-gpg.t

@@ -1,56 +1,57 b''
 #require gpg
 
 Test the GPG extension
 
   $ cat <<EOF >> $HGRCPATH
   > [extensions]
   > gpg=
   > 
   > [gpg]
   > cmd=gpg --no-permission-warning --no-secmem-warning --no-auto-check-trustdb
   > EOF
   $ GNUPGHOME="$TESTTMP/gpg"; export GNUPGHOME
   $ cp -R "$TESTDIR/gpg" "$GNUPGHOME"
 
 Start gpg-agent, which is required by GnuPG v2
 
 #if gpg21
   $ gpg-connect-agent -q --subst /serverpid '/echo ${get serverpid}' /bye \
   > >> $DAEMON_PIDS
 #endif
 
 and migrate secret keys
 
 #if gpg2
   $ gpg --no-permission-warning --no-secmem-warning --list-secret-keys \
   > > /dev/null 2>&1
 #endif
 
   $ hg init r
   $ cd r
   $ echo foo > foo
   $ hg ci -Amfoo
   adding foo
 
   $ hg sigs
 
   $ HGEDITOR=cat hg sign -e 0
+  gpg: error retrieving key fingerprint from card: Invalid name (?)
   signing 0:e63c23eaa88a
   Added signature for changeset e63c23eaa88a
   
   
   HG: Enter commit message.  Lines beginning with 'HG:' are removed.
   HG: Leave message empty to abort commit.
   HG: --
   HG: user: test
   HG: branch 'default'
   HG: added .hgsigs
 
   $ hg sigs
   hgtest                             0:e63c23eaa88ae77967edcf4ea194d31167c478b0
 
   $ hg sigcheck 0
   e63c23eaa88a is signed by:
    hgtest
 
   $ cd ..