BUG#12818561 - RELEASE-LIKE PACKAGE CONTAINS AN EXTRA 'PLUGIN' FOLDER

Look for suite/thread_pool/plugin.defs

mysql-test/mysql-test-run.pl

@@ -450,8 +450,9 @@ sub main {
   #
   read_plugin_defs("include/plugin.defs");
 
-  # Also read from any plugin local plugin.defs
-  for (glob "$basedir/plugin/*/tests/mtr/plugin.defs") {
+  # Also read from any plugin local or suite specific plugin.defs
+  for (glob "$basedir/plugin/*/tests/mtr/plugin.defs".
+            " suite/*/plugin.defs") {
     read_plugin_defs($_);
   }