Bug#30359

  "Test federated_bug_25714 issues non-existing shell command"
  Problem caused by missing '$' symbol in eval statement causing it
  to always attempt to run test even if the test was not compiled.

mysql-test/include/have_bug25714.inc

@@ -3,5 +3,5 @@
 #
 --require r/have_bug25714.require
 disable_query_log;
-eval select LENGTH("MYSQL_BUG25714") > 0 as "have_bug25714_exe";
+eval select LENGTH("$MYSQL_BUG25714") > 0 as "have_bug25714_exe";
 enable_query_log;