Generalize CI templates

lib/bundler/templates/newgem/.circleci/config.yml.tt

@@ -6,8 +6,8 @@ jobs:
     steps:
       - checkout
       - run:
-          name: Run tests
+          name: Run the default task
           command: |
             gem install bundler -v <%= Bundler::VERSION %>
             bundle install
-            bundle exec rake test
+            bundle exec rake

lib/bundler/templates/newgem/.github/workflows/main.yml.tt

@@ -11,7 +11,7 @@ jobs:
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: <%= RUBY_VERSION %>
-    - name: Run tests
+    - name: Run the default task
       run: |
         gem install bundler -v <%= Bundler::VERSION %>
         bundle install

lib/bundler/templates/newgem/.gitlab-ci.yml.tt

@@ -4,6 +4,6 @@ before_script:
   - gem install bundler -v <%= Bundler::VERSION %>
   - bundle install
 
-test:
+example_job:
   script:
-    - bundle exec rake test
+    - bundle exec rake