diff --git a/test/functional/issues_controller_test.rb b/test/functional/issues_controller_test.rb
index 4b9b44537..5227efff5 100644
--- a/test/functional/issues_controller_test.rb
+++ b/test/functional/issues_controller_test.rb
@@ -4580,7 +4580,7 @@ class IssuesControllerTest < Redmine::ControllerTest
     assert_equal Date.parse('2012-07-14'), issue.start_date
     assert_nil issue.due_date
     assert_equal 'value1', issue.custom_field_value(cf1)
-    assert_nil issue.custom_field_value(cf2)
+    assert_equal '', issue.custom_field_value(cf2)
   end
 
   def test_create_should_ignore_unallowed_trackers
diff --git a/test/functional/issues_custom_fields_visibility_test.rb b/test/functional/issues_custom_fields_visibility_test.rb
index 6bcf2ad4f..966234fe1 100644
--- a/test/functional/issues_custom_fields_visibility_test.rb
+++ b/test/functional/issues_custom_fields_visibility_test.rb
@@ -229,9 +229,9 @@ class IssuesCustomFieldsVisibilityTest < Redmine::ControllerTest
     user = User.generate!
     User.add_to_project(user, p1, Role.where(:id => [1, 3]).to_a)
     User.add_to_project(user, p2, Role.where(:id => 3).to_a)
-    Issue.generate!(:project => p1, :tracker_id => 1, :custom_field_values => {@field2.id => 'ValueA'})
-    Issue.generate!(:project => p2, :tracker_id => 1, :custom_field_values => {@field2.id => 'ValueB'})
-    Issue.generate!(:project => p1, :tracker_id => 1, :custom_field_values => {@field2.id => 'ValueC'})
+    Issue.generate!(:project => p1, :tracker_id => 1, :author_id => 1, :custom_field_values => {@field2.id => 'ValueA'})
+    Issue.generate!(:project => p2, :tracker_id => 1, :author_id => 1, :custom_field_values => {@field2.id => 'ValueB'})
+    Issue.generate!(:project => p1, :tracker_id => 1, :author_id => 1, :custom_field_values => {@field2.id => 'ValueC'})
 
     @request.session[:user_id] = user.id
     get(
diff --git a/test/functional/timelog_custom_fields_visibility_test.rb b/test/functional/timelog_custom_fields_visibility_test.rb
index 87023b864..034381c09 100644
--- a/test/functional/timelog_custom_fields_visibility_test.rb
+++ b/test/functional/timelog_custom_fields_visibility_test.rb
@@ -74,13 +74,13 @@ class TimelogCustomFieldsVisibilityTest < Redmine::ControllerTest
     User.add_to_project(user, p1, Role.where(:id => [1, 3]).to_a)
     User.add_to_project(user, p2, Role.where(:id => 3).to_a)
     TimeEntry.generate!(
-      :issue => Issue.generate!(:project => p1, :tracker_id => 1,
+      :issue => Issue.generate!(:project => p1, :tracker_id => 1, :author_id => 1,
                                 :custom_field_values => {@field2.id => 'ValueA'}))
     TimeEntry.generate!(
-      :issue => Issue.generate!(:project => p2, :tracker_id => 1,
+      :issue => Issue.generate!(:project => p2, :tracker_id => 1, :author_id => 1,
                                 :custom_field_values => {@field2.id => 'ValueB'}))
     TimeEntry.generate!(
-      :issue => Issue.generate!(:project => p1, :tracker_id => 1,
+      :issue => Issue.generate!(:project => p1, :tracker_id => 1, :author_id => 1,
                                 :custom_field_values => {@field2.id => 'ValueC'}))
     @request.session[:user_id] = user.id