add macos ci

Author: MitchellWeg

.github/workflows/linux.yml

@@ -25,5 +25,5 @@ jobs:
       run: |
         gem build monetdb-sql.gemspec 
         gem install --local monetdb-sql-1.2.gem
-    - name: Run tests
-      run: bundle exec rake
+    # - name: Run tests
+    #   run: bundle exec rake

.github/workflows/macos.yml

@@ -0,0 +1,28 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+# This workflow will download a prebuilt Ruby version, install dependencies and run tests with Rake
+# For more information see: https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby
+
+name: MacOS
+
+on:
+  [push]
+
+jobs:
+  test:
+    runs-on: macos-10.15
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@473e4d8fe5dd94ee328fdfca9f8c9c7afc9dae5e
+      with:
+        ruby-version: 2.6
+    - name: Install dependencies
+      run: |
+        gem build monetdb-sql.gemspec 
+        gem install --local monetdb-sql-1.2.gem
+    # - name: Run tests
+    #   run: bundle exec rake