ctdb-tests: Move takeover_helper tests to UNIT/ subdirectory

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>

ctdb/tests/run_tests.sh

@@ -309,7 +309,7 @@ unit_tests="
 	UNIT/onnode
 	UNIT/shellcheck
 	UNIT/takeover
-	takeover_helper
+	UNIT/takeover_helper
 	tool
 "
 

ctdb/wscript

@@ -1052,7 +1052,6 @@ def build(bld):
         'complex',
         'etc-ctdb',
         'simple',
-        'takeover_helper',
         'tool'
     ]