Increase test coverage

This adds tests for operatingsystemrelease / operatingsystemmajrelease

spec/facts_spec.rb

@@ -117,6 +117,28 @@
  expect(content['systemd_version']).to be_nil
  expect(content['systemd_internal_services']).to be_nil
  end
+
+ it 'contains a legacy hostname, domain and fqdn fact' do
+ expect(content['hostname']).to eq('foo')
+ expect(content['fqdn']).to eq('foo.example.com')
+ expect(content['domain']).to eq('example.com')
+ end
+
+ it 'contains the legacy osfamily fact' do
+ expect(content['osfamily']).not_to be_nil
+ end
+
+ it 'contains the legacy operatingsystem fact' do
+ expect(content['operatingsystem']).not_to be_nil
+ end
+
+ it 'contains the legacy operatingsystemrelease fact' do
+ expect(content['operatingsystemrelease']).not_to be_nil
+ end
+
+ it 'contains the legacy operatingsystemmajrelease fact' do
+ expect(content['operatingsystemmajrelease']).not_to be_nil
+ end
  end
  end
 end