delete temp file at end of test

Author: bjouhier

test/simple/test-regress-GH-9161.js

@@ -41,6 +41,7 @@ fs.truncate(fd, 5, function(err) {
 });
 
 process.on('exit', function() {
+  fs.unlinkSync(filename);
   assert.equal(success, 1);
   console.log('ok');
 });