Index: test/fixtures/issues.yml
===================================================================
--- test/fixtures/issues.yml	(revision 17836)
+++ test/fixtures/issues.yml	(working copy)
@@ -15,6 +15,7 @@
   status_id: 1
   start_date: <%= 1.day.ago.to_date.to_s(:db) %>
   due_date: <%= 10.day.from_now.to_date.to_s(:db) %>
+  estimated_hours: 200.0
   root_id: 1
   lft: 1
   rgt: 2
@@ -36,6 +37,7 @@
   start_date: <%= 2.day.ago.to_date.to_s(:db) %>
   due_date:
   root_id: 2
+  estimated_hours: 0.5
   lft: 1
   rgt: 2
   lock_version: 3
@@ -56,6 +58,7 @@
   status_id: 1
   start_date: <%= 15.day.ago.to_date.to_s(:db) %>
   due_date: <%= 5.day.ago.to_date.to_s(:db) %>
+  estimated_hours: 1.0
   root_id: 3
   lft: 1
   rgt: 2
@@ -90,6 +93,7 @@
   assigned_to_id:
   author_id: 2
   status_id: 1
+  estimated_hours: 2.0
   root_id: 5
   lft: 1
   rgt: 2
Index: test/functional/issues_controller_test.rb
===================================================================
--- test/functional/issues_controller_test.rb	(revision 17836)
+++ test/functional/issues_controller_test.rb	(working copy)
@@ -1067,6 +1067,8 @@
       }
     assert_response :success
     hours = issues_in_list.map(&:total_estimated_hours)
+    # Removes nil because the position of NULL is database dependent
+    hours.compact!
     assert_equal hours.sort.reverse, hours
   end