test: 2 resume() calls needed to flush streams

test/fixtures/GH-892-request.js

@@ -40,6 +40,7 @@ var req = https.request(options, function(res) {
   assert.equal(200, res.statusCode);
   gotResponse = true;
   console.error('DONE');
+  res.resume();
 });
 
 req.end(new Buffer(bytesExpected));

test/pummel/test-http-upload-timeout.js

@@ -41,6 +41,7 @@ server.on('request', function(req, res) {
       server.close();
     }
   });
+  req.resume();
 });
 
 server.listen(common.PORT, '127.0.0.1', function() {