Merge pull request #12263 from CesiumGS/release-tests

Don't rebuild during the release process

Documentation/Contributors/ReleaseGuide/README.md

@@ -41,7 +41,7 @@ There is no release manager; instead, our community shares the responsibility. A
 13. Run `npm install`.
 14. Make sure `ThirdParty.json` is up to date by running `npm run build-third-party`. If there are any changes, verify and commit them.
 15. Create the release zip `npm run make-zip`.
-16. Run tests against the release `npm run test -- --failTaskOnError --release`. Test **in all browsers** with the `--browsers` flag (i.e. `--browsers Firefox,Chrome`). Alternatively, test with the browser Spec Runner by starting a local server (`npm start`) and browsing to http://localhost:8080/Specs/SpecRunner.html?built=true&release=true.
+16. Run tests against the release `npm run test -- --failTaskOnError --release`. Test **in all browsers** with the `--browsers` flag (i.e. `--browsers Firefox,Chrome`). Alternatively, test with the browser Spec Runner by starting a local server (`npm start -- --production`) and browsing to http://localhost:8080/Specs/SpecRunner.html?built=true&release=true.
 17. Run end to end tests against the release with `npm run test-e2e-release`, or multiple browsers with `npm run test-e2e-release-all`.
 18. Unpack the release zip to the directory of your choice and start the server by running `npm install` and then `npm start`
 19. Browse to http://localhost:8080 and confirm that the home page loads as expected and all links work.

gulpfile.js

@@ -1006,7 +1006,7 @@ export async function test() {
     workspace = workspace.replaceAll(`@${scope}/`, ``);
   }
 
-  if (!isProduction) {
+  if (!isProduction && !release) {
     console.log("Building specs...");
     await buildCesium({
       iife: true,