DONE. :D

features/animal.feature

@@ -1 +1,11 @@
 #Create your feature here
+
+Feature: Animal
+  As a cat, I should have name, type, and age
+  and I'm considered old if I'm over 3 years.
+
+Scenario: Cat
+  Given an animal that is four years old
+  Then it is named 'Gidget'
+  And it has a type of 'cat'
+  And it is considered old

features/step_definitions/animal_steps.rb

@@ -1 +1,15 @@
-#Delete this comment, here is where you should write your step defs
+Given(/^an animal that is four years old$/) do
+  @animal = Animal.new('Gidget', 'cat', 4)
+end
+
+Then(/^it is named 'Gidget'$/) do
+  expect(@animal.name).to eq 'Gidget'
+end
+
+Then(/^it has a type of 'cat'$/) do
+  expect(@animal.type).to eq 'cat'
+end
+
+Then(/^it is considered old$/) do
+  expect(@animal.old?).to be true
+end