test: fix flaky test-http-server-consumed-timeout

Using identical timeout values appears to have eliminated the flakiness in the test. Fixes: #7643 PR-URL: #7717 Reviewed-By: Fedor Indutny <[email protected]>

Author: Trott

test/parallel/test-http-server-consumed-timeout.js

@@ -1,7 +1,6 @@
 'use strict';
 
 constcommon=require('../common');
-constassert=require('assert');
 consthttp=require('http');
 
 constserver=http.createServer((req,res)=>{
@@ -11,7 +10,7 @@ const server = http.createServer((req, res) =>{
 res.flushHeaders();
 
 req.setTimeout(common.platformTimeout(200),()=>{
-assert(false,'Should not happen');
+common.fail('Request timeout should not fire');
 });
 req.resume();
 req.once('end',common.mustCall(()=>{
@@ -30,7 +29,7 @@ server.listen(0, common.mustCall(() =>{
 setTimeout(()=>{
 clearInterval(interval);
 req.end();
-},common.platformTimeout(400));
+},common.platformTimeout(200));
 });
 req.write('.');
 }));