Auto merge of #4237 - Turbo87:embroider, r=Turbo87

CI: Run tests for Embroider job again

... and enable two additional Embroider options

see https://github.com/embroider-build/embroider#options

Author: bors

.github/workflows/ci.yml

@@ -64,8 +64,7 @@ jobs:
 
       - run: yarn install
 
-      # `yarn test` currently does not work due to https://github.com/embroider-build/embroider/issues/677
-      - run: yarn build
+      - run: yarn test
         continue-on-error: true
 
   backend-lint:

ember-cli-build.js

@@ -47,6 +47,9 @@ module.exports = function (defaults) {
   if (USE_EMBROIDER) {
     const { Webpack } = require('@embroider/webpack');
     return require('@embroider/compat').compatBuild(app, Webpack, {
+      staticAddonTestSupportTrees: true,
+      staticModifiers: true,
+
       // see https://github.com/embroider-build/embroider/issues/823
       compatAdapters: new Map([['ember-get-config', null]]),
     });