test: reduce impact of flaky HTTP server tests

Refs: #42741

PR-URL: #42926
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: tniessen

test/parallel/parallel.status

@@ -21,6 +21,9 @@ test-fs-rmdir-recursive: PASS, FLAKY
 test-domain-error-types: PASS,FLAKY
 
 [$system==macos]
+# https://github.com/nodejs/node/issues/42741
+test-http-server-headers-timeout-keepalive: PASS,FLAKY
+test-http-server-request-timeout-keepalive: PASS,FLAKY
 
 [$arch==arm || $arch==arm64]
 # https://github.com/nodejs/node/pull/31178

test/parallel/test-http-server-headers-timeout-keepalive.js

@@ -24,7 +24,7 @@ function performRequestWithDelay(client, firstDelay, secondDelay, closeAfter) {
   }, firstDelay + secondDelay).unref();
 }
 
-const headersTimeout = common.platformTimeout(2000);
+const headersTimeout = common.platformTimeout(5000);
 const server = createServer({
   headersTimeout,
   requestTimeout: 0,

test/parallel/test-http-server-request-timeout-keepalive.js

@@ -24,7 +24,7 @@ function performRequestWithDelay(client, firstDelay, secondDelay, closeAfter) {
   }, firstDelay + secondDelay).unref();
 }
 
-const requestTimeout = common.platformTimeout(2000);
+const requestTimeout = common.platformTimeout(5000);
 const server = createServer({
   headersTimeout: 0,
   requestTimeout,