Update linting workflow

.github/workflows/plugin-linting.yml

@@ -37,20 +37,17 @@ jobs:
         run: yarn install --dev
 
       - name: ESLint
-        run: yarn eslint --ext .js,.js.es6 --no-error-on-unmatched-pattern {test,assets}/javascripts
+        run: yarn eslint --ext .js,.js.es6 --no-error-on-unmatched-pattern {test,assets}/javascripts/{discourse,wizard}
 
       - name: Prettier
         run: |
           yarn prettier -v
           if [ -d "assets" ]; then \
-            yarn prettier --list-different "assets/**/*.{scss,js,es6}" ; \
+            yarn prettier --list-different "assets/javascripts/{discourse,wizard}/**/*.{scss,js,es6}" ; \
-          fi
-          if [ -d "test" ]; then \
-            yarn prettier --list-different "test/**/*.{js,es6}" ; \
           fi
 
       - name: Ember template lint
         run: yarn ember-template-lint assets/javascripts
 
       - name: Rubocop
-        run: bundle exec rubocop .
+        run: bundle exec rubocop .