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.github/workflows/main.yml

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+---
+# Continuous Integration Workflow: Test case suite run + validation build check
+name: CI
+
+# Controls when the action will run.
+# Triggers the workflow on push or pull request events but only for the master branch
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  # Job: Unit test suite
+  unit-tests:
+    name: "Unit Tests"
+    runs-on: ubuntu-latest
+    steps:
+      # Install Multilib
+      - name: Install Multilib
+        run: |
+          sudo apt-get install --assume-yes --quiet gcc-multilib
+
+      # Install Ruby Testing Tools
+      - name: Setup Ruby Testing Tools
+        run: |
+          sudo gem install bundler
+          sudo gem install rspec
+          sudo gem install rubocop -v 0.57.2
+          sudo bundle install
+
+      # Checks out repository under $GITHUB_WORKSPACE
+      - name: Checkout Latest Repo
+        uses: actions/checkout@v2
+
+      # Run Tests
+      - name: Run All Unit Tests
+        run: |
+          cd test && rake ci