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.github/workflows/default.yml

@@ -0,0 +1,9 @@
+on: [push, pull_request]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ruby/setup-ruby@v1
+    - run: bundle install --jobs 4 --retry 3
+    - run: bundle exec rake

.rspec

@@ -1,3 +1 @@
 --require spec_helper
---color
---format progress

Rakefile

@@ -1,8 +1,8 @@
 require "rake"
+require "rubocop/rake_task"
 require "rspec/core/rake_task"
 
-RSpec::Core::RakeTask.new(:spec) do |t|
-  t.pattern = Dir.glob("spec/**/*_spec.rb")
-  t.rspec_opts = "--format documentation"
-end
-task default: :spec
+RuboCop::RakeTask.new
+RSpec::Core::RakeTask.new
+
+task default: %i[rubocop spec]