Appraisals in activeadmin-reform-0.5.0 vs Appraisals in activeadmin-reform-0.6.0

@@ -1,30 +1,40 @@
 require 'yaml'
 
-ruby_versions = %w(2.2.2)
+ruby_versions = %w(2.2.2 2.4.1)
 
 [
   { rails: '3.2.22.5', activeadmin: '1.0.0.pre5', reform: '2.2.4', 'reform-rails': '0.1.7' },
   { rails: '4.2.10', activeadmin: '1.2.1', reform: '2.2.4', 'reform-rails': '0.1.7' },
-  { rails: '4.2.10', activeadmin: '1.2.1', reform: '2.3.0.rc1', 'reform-rails': '0.2.0.rc2' },
-  # { rails: '5.1.4', activeadmin: '1.2.1', reform: '2.3.0.rc1', 'reform-rails': '0.2.0.rc2' },
+  { rails: '4.2.10', activeadmin: { github: 'activeadmin' }, reform: '2.3.0.rc1', 'reform-rails': '0.2.0.rc2' },
+  { rails: '5.2.0', activeadmin: { github: 'activeadmin' }, reform: '2.3.0.rc1', 'reform-rails': '0.2.0.rc2', bootsnap: '1.3.1' },
 ].each do |deps|
   appraise deps.map { |name, requirement| "#{name}-#{requirement}" }.join('_') do
     deps.each { |name, requirement| gem name, requirement }
   end
 end
 
+gemfiles = Dir.glob('gemfiles/*.gemfile')
 travis = ::YAML.dump(
   'language' => 'ruby',
   'rvm' => ruby_versions,
   'before_script' => [
     './bin/setup',
    ],
   'script'  => [
     'bundle exec rake spec',
     'bundle exec rubocop --fail-level C'
   ],
-  'gemfile' => Dir.glob('gemfiles/*.gemfile'),
+  'gemfile' => gemfiles,
+  'matrix' => {
+    'exclude' =>
+     gemfiles
+       .select { |gemfile| gemfile.include?('activeadmin___github___activeadmin') }
+       .map { |gemfile| { 'rvm' => '2.2.2', 'gemfile' => gemfile } } +
+       gemfiles
+         .select { |gemfile| gemfile.include?('rails_3.2.22.5') }
+         .map { |gemfile| { 'rvm' => '2.4.1', 'gemfile' => gemfile } },
+  },
   'addons' => {
     'code_climate' => {
       'repo_token' => 'c326cca5984d0e32d2c6b5d9b985756ee9312f63fc6a9480fc9cfa55c454d68a'
     }
   }