Use the smart_proxy_plugin.yml reusable GHA workflow

.github/workflows/ruby.yml

@@ -8,7 +8,7 @@ on:  # yamllint disable-line rule:truthy
       - master
 
 concurrency:
-  group: ${{ github.ref_name }}
+  group: ${{ github.ref_name }}-${{ github.workflow }}
   cancel-in-progress: true
 
 jobs:
@@ -19,7 +19,5 @@ jobs:
   test:
     name: Tests
     needs: rubocop
-    uses: theforeman/actions/.github/workflows/test-gem.yml@v0
-    with:
-      command: bundle exec rake test
+    uses: theforeman/actions/.github/workflows/smart_proxy_plugin.yml@v0
 ...

Gemfile

@@ -9,10 +9,9 @@ group :rubocop do
 end
 
 group :test do
-  gem 'ci_reporter_test_unit'
   gem 'mocha'
   gem 'rack-test'
   gem 'rake'
-  gem 'smart_proxy', :github => 'theforeman/smart-proxy', :branch => 'develop'
+  gem 'smart_proxy', :github => 'theforeman/smart-proxy', :branch => ENV.fetch('SMART_PROXY_BRANCH', 'develop')
   gem 'test-unit'
 end

Rakefile

@@ -1,4 +1,3 @@
-require 'ci/reporter/rake/test_unit'
 require 'rake'
 require 'rake/testtask'
 require 'rubocop/rake_task'
@@ -16,8 +15,3 @@ Rake::TestTask.new(:test) do |t|
   t.test_files = FileList['test/**/*_test.rb']
   t.verbose = true
 end
-
-namespace :jenkins do
-  desc nil # No description means it's not listed in rake -T
-  task :unit => ['ci:setup:testunit', :test]
-end

smart_proxy_dns_infoblox.gemspec

@@ -3,7 +3,7 @@ require File.expand_path('lib/smart_proxy_dns_infoblox/dns_infoblox_version', __
 Gem::Specification.new do |s|
   s.name        = 'smart_proxy_dns_infoblox'
   s.version     = Proxy::Dns::Infoblox::VERSION
-  s.license     = 'GPL-3.0'
+  s.license     = 'GPL-3.0-only'
   s.authors     = ['Matthew Nicholson']
   s.email       = ['[email protected]']
   s.homepage    = 'https://github.com/theforeman/smart_proxy_dns_infoblox'