Documents: Fix wrong get_lang variable + add verbose in travis

Fixes behat test not finding the correct link.

.travis.yml

@@ -104,7 +104,7 @@ script:
 #  - chromedriver --version
   - cd tests/behat
   - pwd
-  - travis_wait 45 ../../vendor/behat/behat/bin/behat -v
+  - travis_wait 45 ../../vendor/behat/behat/bin/behat -vv
   # - sudo cat /var/log/apache2/$VHOST_URL-access.log
 
 after_failure:

main/document/document.php

@@ -1808,7 +1808,7 @@ if ($isAllowedToEdit ||
         );
     } else {
         $actionsLeft .= Display::url(
-            Display::return_icon('upload_file.png', get_lang('FileToUpload'), '', ICON_SIZE_MEDIUM),
+            Display::return_icon('upload_file.png', get_lang('UplUploadDocument'), '', ICON_SIZE_MEDIUM),
             api_get_path(WEB_CODE_PATH).'document/upload.php?'.api_get_cidreq().'&id='.$current_folder_id
         );
     }