spec/unit/axiom/relation/empty_predicate_spec.rb in axiom-0.1.1 vs spec/unit/axiom/relation/empty_predicate_spec.rb in axiom-0.2.0

@@ -7,10 +7,10 @@
 
   let(:header) { [[:id, Integer]]                  }
   let(:object) { described_class.new(header, body) }
 
   before do
-    object.should be_instance_of(described_class)
+    expect(object).to be_instance_of(described_class)
   end
 
   context 'with a body containing no entries' do
     let(:body) { LazyEnumerable.new }