Add workflow to run tests on PR

Author: CheezItMan

.github/workflows/tests.yml

@@ -0,0 +1,53 @@
+name: Run Tests
+on:
+  pull_request:
+    branches:
+      - 'master'
+jobs:
+  tests:
+    name: Tests
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:11.5
+        ports: ["5432:5432"]
+        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
+      redis:
+        image: redis
+        ports: ["6379:6379"]
+        options: --entrypoint redis-server
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup Ruby 2.6.5
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.6.5
+
+      - name: Install PostgreSQL 11 client
+        run: |
+          sudo apt update
+          sudo bash -c "echo deb http://apt.postgresql.org/pub/repos/apt/ bionic-pgdg main >> /etc/apt/sources.list.d/pgdg.list"
+          wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
+          sudo apt-get update
+          sudo apt-get -yqq install libpq-dev postgresql-client-11          
+
+      - name: Build App
+        env:
+          PGHOST: localhost
+          PGUSER: postgres
+        run: |
+          rm *.lock
+          gem install bundler
+          yarn
+          bundle install --jobs 4 --retry 3
+          bin/rails db:setup
+  
+      - name: Run Tests 
+        env:
+          PGHOST: localhost
+          PGUSER: postgres
+          RAILS_ENV: test
+        run: |
+          bundle exec rake test