.autotest in isolate-3.0.0 vs .autotest in isolate-3.0.1

@@ -1,5 +1,9 @@
+# -*- ruby -*-
+
 require "autotest/restart"
 
 Autotest.add_hook :initialize do |at|
   at.testlib = "minitest/autorun"
+  at.add_exception "tmp"
+  at.add_exception ".git"
 end