spec/unit/axiom/optimizer/function/predicate/constant_operands/optimize_spec.rb in axiom-optimizer-0.1.0 vs spec/unit/axiom/optimizer/function/predicate/constant_operands/optimize_spec.rb in axiom-optimizer-0.1.1

@@ -7,10 +7,10 @@
 
   let(:predicate) { Function::Predicate::Equality.new(1, 1) }
   let(:object)    { described_class.new(predicate)          }
 
   before do
-    object.should be_optimizable
+    expect(object).to be_optimizable
   end
 
-  it { should equal(Function::Proposition::Tautology.instance) }
+  it { should be(Function::Proposition::Tautology.instance) }
 end