Update limit method and finish test

Gemfile.lock

@@ -48,7 +48,7 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-core.git
-  revision: 57634c3103dec6472bf732de5f051702224dc345
+  revision: 9978518236afb520c8fff68bebe7beb62f8ad776
   specs:
     travis-core (0.0.1)
       actionmailer (~> 3.2.19)
@@ -56,7 +56,7 @@ GIT
       coder (~> 0.4.0)
       data_migrations (~> 0.0.1)
       gh
-      hashr (~> 0.0.19)
+      hashr
       metriks (~> 0.9.7)
       multi_json
       pusher (~> 0.14.0)
@@ -388,6 +388,3 @@ DEPENDENCIES
   travis-yaml!
   unicorn
   yard-sinatra!
-
-BUNDLED WITH
-   1.10.6

lib/travis/api/v3/services/requests/create.rb

@@ -23,7 +23,11 @@ module Travis::API::V3
     end
 
     def limit(repository)
-      repository.settings.try(:api_builds_rate_limit) || LIMIT
+      if repository.settings.nil?
+        LIMIT
+      else
+        repository.settings["api_builds_rate_limit"] || LIMIT
+      end
     end
 
     def remaining_requests(repository)

spec/v3/services/requests/create_spec.rb

@@ -240,19 +240,18 @@ describe Travis::API::V3::Services::Requests::Create do
     end
 
     describe "overrides default request limit if included in repository.settings" do
-      let(:repository) { Travis::API::V3::Models::Repository.create(owner_name: 'svenfuchs', name: 'minimal', settings: { "api_builds_rate_limit" => "11" } )}
-      before { 10.times { repository.requests.create(event_type: 'api', result: 'accepted') } }
-      before { post("/v3/repo/#{repository.id}/requests", params, headers)                    }
+      before { repo.update_attribute(:settings, { api_builds_rate_limit: 12 }.to_json) }
 
-      example { expect(last_response.status).to be == 200 }
+      before { 10.times { repo.requests.create(event_type: 'api', result: 'accepted') } }
+      before { post("/v3/repo/#{repo.id}/requests", {}, headers) }
+
+      example { expect(last_response.status).to be == 202 }
       example { expect(JSON.load(body).to_s).to  include(
         "@type",
-        "error",
-        "error_type",
-        "request_limit_reached",
-        "error_message",
-        "request limit reached for resource",
         "repository",
+        "remaining_requests",
+        "2",
+        "request",
         "representation",
         "minimal",
         "slug",