Acknowledge thirdpartylibs.xml in plugin names with 'work'

When removing files irrelevant to the tests, any files or folders containing the substring "word" remain untouched. This poses a problem if the plugin uses that substring.

remote_branch_checker/remote_branch_checker.sh

@@ -456,7 +456,7 @@ echo "Info: Deleting excluded and unrelated files..."
 # Remove all the excluded (but .git and work)
 set -e
 for todelete in ${excluded}; do
-    if [[ ${todelete} =~ ".git" || ${todelete} =~ "work" || ${todelete} =~ "node_modules" ]]; then
+    if [[ ${todelete} =~ ".git" || ${todelete} =~ ^work || ${todelete} =~ "node_modules" ]]; then
         continue
     fi
     rm -fr "${WORKSPACE}/${todelete}"