Helper function that returns a bad .po file.
function getBadPoFile() {
return <<<EOF
msgid ""
msgstr ""
"Project-Id-Version: Drupal 7\\n"
"MIME-Version: 1.0\\n"
"Content-Type: text/plain; charset=UTF-8\\n"
"Content-Transfer-Encoding: 8bit\\n"
"Plural-Forms: nplurals=2; plural=(n > 1);\\n"
msgid "Save configuration"
msgstr "Enregistrer la configuration"
msgid "edit"
msgstr "modifier<img SRC="javascript:alert(\\'xss\\');">"
msgid "delete"
msgstr "supprimer<script>alert('xss');</script>"
EOF;
}