Run Ubuntu 22.04 in test matrix

.github/workflows/verify.yml

@@ -1,5 +1,21 @@
 name: Verify
 
+# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions
+permissions:
+  actions: none
+  checks: none
+  contents: none
+  deployments: none
+  id-token: none
+  issues: none
+  discussions: none
+  packages: none
+  pages: none
+  pull-requests: none
+  repository-projects: none
+  security-events: none
+  statuses: none
+
 on:
   push:
     branches:
@@ -10,7 +26,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-18.04
+    runs-on: ${{ matrix.os }}
     timeout-minutes: 40
 
     strategy:
@@ -19,15 +35,22 @@ jobs:
         ruby:
           - 2.6
           - 2.7
-          - 3.0.3
-          - 3.1.1
+          - 3.0
+          - 3.1
+        os:
+          - ubuntu-18.04
+          - ubuntu-22.04
+        exclude:
+          - { os: ubuntu-22.04, ruby: 2.6 }
+          - { os: ubuntu-22.04, ruby: 2.7 }
+          - { os: ubuntu-22.04, ruby: 3.0 }
         test_cmd:
           - bundle exec rspec
 
     env:
       RAILS_ENV: test
 
-    name: Ruby ${{ matrix.ruby }} - ${{ matrix.test_cmd }}
+    name: ${{ matrix.os }} - Ruby ${{ matrix.ruby }} - ${{ matrix.test_cmd }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v2

Gemfile

@@ -9,7 +9,7 @@ end
 
 group :test do
   # simplecov test formatter and uploader for Coveralls.io
-  gem "coveralls", '~>0.8.23', :require => false
+  gem 'coveralls', require: false
   # Testing
   gem 'rspec'
   # Coverage reports

spec/spec_helper.rb

@@ -6,13 +6,7 @@
 require 'coveralls'
 require 'ruby_smb'
 
-if ENV['CI'] == 'true'
-  # don't generate local report as it is inaccessible on travis-ci, which is
-  # why coveralls is being used.
-  SimpleCov.formatter = Coveralls::SimpleCov::Formatter
-else
-  SimpleCov.formatter = SimpleCov::Formatter::HTMLFormatter
-end
+SimpleCov.formatter = SimpleCov::Formatter::HTMLFormatter
 
 Dir['./spec/support/**/*.rb'].sort.each { |f| require f }