Improve spec expectations

spec/requests/api/v1/parks_spec.rb

@@ -2,9 +2,19 @@ require 'rails_helper'
 
 RSpec.describe "Api::V1::Parks", type: :request do
   describe "GET /index" do
-    it "returns http success" do
-      get "/api/v1/parks/index"
+    it "returns some parks" do
+      get api_v1_parks_url
       expect(response).to have_http_status(:success)
+      expect(response.parsed_body).to include(
+        hash_including(
+          code: "crla", name: "Crater Lake National Park", states: "OR"
+        )
+      )
+      expect(response.parsed_body).to include(
+        hash_including(
+          code: "olym", name: "Olympic National Park", states: "WA"
+        )
+      )
     end
   end
 end