test: fix typo in common/index.js

All tests using enoughTestCpu checks are always having the checks come
back false due to a typo in common/index.js. Fix the typo.

PR-URL: #31931
Reviewed-By: Denys Otrishko <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Yongsheng Zhang <[email protected]>
Reviewed-By: Anna Henningsen <[email protected]>

Author: Trott

test/common/index.js

@@ -784,7 +784,7 @@ module.exports = {
   skipIfReportDisabled,
   skipIfWorker,
 
-  get enoughTestCPU() {
+  get enoughTestCpu() {
     const cpus = require('os').cpus();
     return Array.isArray(cpus) && (cpus.length > 1 || cpus[0].speed > 999);
   },