fix codeclimate braking changes

.travis.yml

@@ -3,7 +3,7 @@ sudo: false
 cache: bundler
 script:
   - CODECLIMATE_REPO_TOKEN=e778c5658e8488a37795ec48f8c6990135f7a2ec35ceadc2e816a4ed1e3f20ab ruby test/test_all.rb
+  - CODECLIMATE_REPO_TOKEN=e778c5658e8488a37795ec48f8c6990135f7a2ec35ceadc2e816a4ed1e3f20ab bundle exec codeclimate-test-reporter
 rvm:
-  - 2.1.10
-  - 2.2.5
-  - 2.3.1
+  - 2.2.6
+  - 2.3.3

test/helper.rb

@@ -8,8 +8,8 @@ rescue Bundler::BundlerError => e
   exit e.status_code
 end
 if ENV['CODECLIMATE_REPO_TOKEN']
-  require "codeclimate-test-reporter"
-  CodeClimate::TestReporter.start
+  require 'simplecov'
+  SimpleCov.start
 end
 
 require "minitest/autorun"