Add call to Directory.list_dir_end, just to be sure

Author: gilzoide

src/test/init.lua

@@ -43,6 +43,7 @@ function TestRunner:_init()
 			all_passed = all_passed and success
 		end
 	until filename == ''
+	dir:list_dir_end()
 
 	self:quit(all_passed and 0 or 1)
 end