add_filter init.rb

test/test_helper.rb

@@ -1,7 +1,5 @@
 # Redmine Messenger plugin for Redmine
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../test/test_helper')
-
 require 'simplecov'
 require 'simplecov-rcov'
 
@@ -11,9 +9,12 @@ SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
 ]
 
 SimpleCov.start :rails do
+  add_filter 'init.rb'
   root File.expand_path(File.dirname(__FILE__) + '/..')
 end
 
+require File.expand_path(File.dirname(__FILE__) + '/../../../test/test_helper')
+
 module RedmineMessenger
   class TestCase
     include ActionDispatch::TestProcess