Fix rubocop errors

Author: ctran

.rubocop_todo.yml

@@ -105,7 +105,7 @@ Metrics/MethodLength:
 # Offense count: 2
 # Configuration parameters: CountComments.
 Metrics/ModuleLength:
-  Max: 516
+  Max: 517
 
 # Offense count: 7
 Metrics/PerceivedComplexity:

spec/spec_helper.rb

@@ -2,11 +2,11 @@
 require 'codeclimate-test-reporter'
 require 'simplecov'
 
-SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
+SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new([
     Coveralls::SimpleCov::Formatter,
     SimpleCov::Formatter::HTMLFormatter,
     CodeClimate::TestReporter::Formatter
-]
+])
 
 SimpleCov.start