Use LIMIT constant as a backup limit number

Gemfile

@@ -5,7 +5,7 @@ ruby '2.1.7' if ENV.key?('DYNO')
 
 gem 's3',              github: 'travis-ci/s3'
 
-gem 'travis-core',     github: 'travis-ci/travis-core'
+gem 'travis-core',     github: 'travis-ci/travis-core', branch: 'cd-ar-rate-limit-on-travis-config'
 gem 'travis-support',  github: 'travis-ci/travis-support'
 gem 'travis-amqp',     github: 'travis-ci/travis-amqp'
 gem 'travis-config',   '~> 0.1.0'

Gemfile.lock

@@ -48,7 +48,8 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-core.git
-  revision: 9978518236afb520c8fff68bebe7beb62f8ad776
+  revision: 76ddca556f0eb9f40daa50789223db9e18174d46
+  branch: cd-ar-rate-limit-on-travis-config
   specs:
     travis-core (0.0.1)
       actionmailer (~> 3.2.19)
@@ -388,6 +389,3 @@ DEPENDENCIES
   travis-yaml!
   unicorn
   yard-sinatra!
-
-BUNDLED WITH
-   1.12.0.pre.1

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

@@ -1,7 +1,8 @@
 module Travis::API::V3
   class Services::Requests::Create < Service
     TIME_FRAME = 1.hour
-    private_constant :TIME_FRAME
+    LIMIT = 10
+    private_constant :TIME_FRAME, :LIMIT
 
     result_type :request
     params "request", "user", :config, :message, :branch, :token
@@ -23,9 +24,9 @@ module Travis::API::V3
 
     def limit(repository)
       if repository.settings.nil?
-        Travis.config.requests_create_api_limit
+        Travis.config.requests_create_api_limit || LIMIT
       else
-        repository.settings["api_builds_rate_limit"] || Travis.config.requests_create_api_limit
+        repository.settings["api_builds_rate_limit"] || Travis.config.requests_create_api_limit || LIMIT
       end
     end