Add new stat

spec/requests/api/v1/stats_spec.rb

@@ -4,6 +4,7 @@ RSpec.describe "Api::V1::Stats", type: :request do
   describe "GET /stats" do
     it "returns summary stats" do
       alerts(:two).update!(park_code: parks(:one).code)
+      parks_by_states(:two).update!(state: "OR")
 
       get api_v1_stats_url
 
@@ -11,7 +12,11 @@ RSpec.describe "Api::V1::Stats", type: :request do
       expect(response.parsed_body).to match(
         park_count: 2,
         alert_count: 2,
-        most_alerts: {
+        state_with_most_parks: {
+          state: "OR",
+          park_count: 2
+        },
+        park_with_most_alerts: {
           park_code: "crla",
           alert_count: 2
         }