spec/unit/axiom/optimizer/function/unary/unoptimized_operand/optimize_spec.rb in axiom-optimizer-0.1.0 vs spec/unit/axiom/optimizer/function/unary/unoptimized_operand/optimize_spec.rb in axiom-optimizer-0.1.1

@@ -9,10 +9,10 @@
   let(:function)        { Function::Numeric::Absolute.new(Function::Numeric::Absolute.new(1)) }
   let(:object)          { described_class.new(function)                                       }
 
   before do
     described_class.class_eval { include Optimizer::Function::Unary::UnoptimizedOperand }
-    object.should be_optimizable
+    expect(object).to be_optimizable
   end
 
   it { should eql(Function::Numeric::Absolute.new(1)) }
 end