Run tests in parallel

.github/workflows/staging_pipeline.yml

@@ -45,6 +45,7 @@ jobs:
       DB_USERNAME: postgres
       DB_PASSWORD: password
       RAILS_MASTER_KEY: ${{ secrets.RAILS_MASTER_KEY }}
+      PARALLEL_TEST_PROCESSORS: 4
 
     steps:
       - name: Checkout
@@ -63,7 +64,7 @@ jobs:
 
       - name: Create database
         run: |
-          bundle exec rake db:prepare
+          bundle exec rake parallel:setup
 
       - name: Compile assets
         run: |
@@ -71,7 +72,7 @@ jobs:
 
       - name: Run tests
         run: |
-          bundle exec rspec --exclude-pattern "features/*" --fail-fast
+          bundle exec rake parallel:spec['spec\/(?!features)']
 
   feature_test:
     name: Feature Tests