Remove DB specific testing

.github/workflows/test.yml

@@ -61,117 +61,3 @@ jobs:
     - name: Run tests
       run: |
         bundle exec rake
-
-
-  test_mysql:
-    runs-on: ubuntu-20.04
-    services:
-      mysql:
-        image: mariadb
-        env:
-          MYSQL_ROOT_PASSWORD: password
-          MYSQL_DATABASE: test
-        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
-        ports: ['3306:3306']
-
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          ### RAILS VERSION TESTING
-          ### DONT WORRY ABOUT TESTING ALL RUBY VERSIONS. THIS IS COVERED IN THE SQLITE3 TESTS
-          - ruby: 2.6
-            env:
-              RAILS_VERSION: "5.0"
-          - ruby: 2.6
-            env:
-              RAILS_VERSION: "5.1"
-          - ruby: 2.6
-            env:
-              RAILS_VERSION: "5.2"
-          - ruby: 2.6
-            env:
-              RAILS_VERSION: "6.0"
-          - ruby: 2.6
-            env:
-              RAILS_VERSION: "6.1"
-          - ruby: "3.1"
-            env:
-              RAILS_VERSION: "7.0"
-
-    env:
-      BUNDLE_GEMFILE: "${{ matrix.gemfile }}"
-      DB_GEM: "mysql2"
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Install ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: "${{ matrix.ruby }}"
-        bundler-cache: true
-
-    - name: Run tests
-      env:
-        DATABASE_URL: mysql2://root:[email protected]:3306/test
-        RAILS_ENV: test
-      run: |
-        bundle exec rake
-
-
-  test_pg:
-    runs-on: ubuntu-20.04
-    services:
-      postgres:
-        image: postgres
-        env:
-          POSTGRES_USER: postgres
-          POSTGRES_PASSWORD: password
-          POSTGRES_DB: test
-        ports: ['5432:5432']
-
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          ### RAILS VERSION TESTING
-          ### DONT WORRY ABOUT TESTING ALL RUBY VERSIONS. THIS IS COVERED IN THE SQLITE3 TESTS
-          - ruby: 2.6
-            env:
-              RAILS_VERSION: "5.0"
-          - ruby: 2.6
-            env:
-              RAILS_VERSION: "5.1"
-          - ruby: 2.6
-            env:
-              RAILS_VERSION: "5.2"
-          - ruby: 2.6
-            env:
-              RAILS_VERSION: "6.0"
-          - ruby: 2.6
-            env:
-              RAILS_VERSION: "6.1"
-          - ruby: "3.1"
-            env:
-              RAILS_VERSION: "7.0"
-
-    env:
-      BUNDLE_GEMFILE: "${{ matrix.gemfile }}"
-      DB_GEM: "pg"
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Install ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: "${{ matrix.ruby }}"
-        bundler-cache: true
-
-    - name: Run tests
-      env:
-        DATABASE_URL: postgres://postgres:password@localhost:5432/test
-        RAILS_ENV: test
-      run: |
-        bundle exec rake

README.md

@@ -154,11 +154,10 @@ Run server using: `bin/dev` or `cd test/dummy/; rails s`
 bundle exec rspec
 ```
 
-We can locally test different versions of Rails using `ENV['RAILS_VERSION']` and different database gems using `ENV['DB_GEM']`
+We can locally test different versions of Rails using `ENV['RAILS_VERSION']`
 
 ```
 export RAILS_VERSION=7.0
-export DB_GEM=sqlite3
 bundle install
 bundle exec rspec
 ```