change tabs back to 2 spaces to resemble original style

spec/rails_integration_spec.rb

@@ -42,7 +42,7 @@ describe FakeController, type: :controller do
       expect { get :edit, params }.to raise_error { |error|
         expect(error).to be_a(RailsParam::Param::InvalidParameterError)
         expect(error.param).to eql("first_name")
-              expect(error.options).to eql({ :required => true })
+        expect(error.options).to eql({:required => true})
       }
     end
 
@@ -63,7 +63,7 @@ describe FakeController, type: :controller do
       expect { get :index, sort: "foo" }.to raise_error { |error|
         expect(error).to be_a(RailsParam::Param::InvalidParameterError)
         expect(error.param).to eql("sort")
-        expect(error.options).to eql({ :in => ["asc", "desc"], :default => "asc", :transform => :downcase })
+        expect(error.options).to eql({:in => ["asc", "desc"], :default => "asc", :transform => :downcase})
       }
     end
   end