Tweak test retries for invalid-href suite (#15459)

- Reduce jest retries to 2 for a total of 3 attempts
- Disable retries in `invalid-href` test. I noticed jest retries don't help when this test fails (see log output of https://github.com/vercel/next.js/runs/904147534).

run-tests.js

@@ -136,7 +136,7 @@ const TIMINGS_API = `https://next-timings.jjsweb.site/api/timings`
         {
           stdio: 'inherit',
           env: {
-            JEST_RETRY_TIMES: 3,
+            JEST_RETRY_TIMES: 2,
             ...process.env,
             ...(isAzure
               ? {

test/integration/invalid-href/test/index.test.js

@@ -14,7 +14,7 @@ import {
 import webdriver from 'next-webdriver'
 import { join } from 'path'
 
-jest.setTimeout(1000 * 60 * 2)
+jest.setTimeout(1000 * 60 * 1)
 
 let app
 let appPort
@@ -23,6 +23,10 @@ const appDir = join(__dirname, '..')
 const firstErrorRegex = /Invalid href passed to router: mailto:idk@idk.com.*invalid-href-passed/
 const secondErrorRegex = /Invalid href passed to router: .*google\.com.*invalid-href-passed/
 
+// This test doesn't seem to benefit from retries, let's disable them until the test gets fixed
+// to prevent long running times
+jest.retryTimes(0)
+
 const showsError = async (pathname, regex, click = false, isWarn = false) => {
   const browser = await webdriver(appPort, pathname)
   try {