Add test for #39714.

git-svn-id: https://svn.redmine.org/redmine/trunk@22479 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/helpers/queries_helper_test.rb

@@ -105,4 +105,16 @@ class QueriesHelperTest < Redmine::HelperTest
       assert_include "Non", csv
     end
   end
+
+  def test_filters_options_for_select_should_group_custom_field_relations
+    i_cf = IssueCustomField.generate!(field_format: 'user', name: 'User', is_for_all: true, trackers: Tracker.all, is_filter: true)
+    u_cf = UserCustomField.find(4)
+    u_cf.is_filter = true
+    u_cf.save
+
+    options = filters_options_for_select(IssueQuery.new)
+
+    assert_select_in options, 'option[value=?]', "cf_#{i_cf.id}.cf_#{u_cf.id}", text: "User's Phone number"
+    assert_select_in options, 'optgroup[label=?]', 'User', 1
+  end
 end