spec/support/shared/context_examples.rb in message-driver-0.4.0 vs spec/support/shared/context_examples.rb in message-driver-0.5.0

@@ -1,11 +1,13 @@
-shared_examples 'an adapter context' do
-  it { should be_a MessageDriver::Adapters::ContextBase }
+RSpec.shared_examples 'an adapter context' do
+  it { is_expected.to be_a MessageDriver::Adapters::ContextBase }
 
-  its(:adapter) { should be adapter }
+  describe '#adapter' do
+    it { expect(subject.adapter).to be adapter }
+  end
 
   it 'is initially valid' do
-    should be_valid
+    is_expected.to be_valid
   end
 
   describe '#invalidate' do
     it 'causes the context to become invalid' do
       subject.invalidate