Redmine

22 CSV related tests fail with Rails 5.2.4.

Failure:
TimelogControllerTest#test_index_csv_all_projects [/Users/maeda/redmines/redmine-trunk/test/functional/timelog_controller_test.rb:1386]:
Expected: "text/csv" 
  Actual: "text/csv; header=present" 

bin/rails test test/functional/timelog_controller_test.rb:1382
.
.
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diff --git a/Gemfile b/Gemfile
index ec61c6950..25da95c7e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'

 gem "bundler", ">= 1.5.0" 

-gem "rails", "5.2.3" 
+gem "rails", "5.2.4" 
 gem "rouge", "~> 3.13.0" 
 gem "request_store", "1.0.5" 
 gem "mini_mime", "~> 1.0.1"