[#4180] Don't let Deliverable types to be changed.

test/integration/deliverables_edit_test.rb

@@ -22,11 +22,10 @@ class DeliverablesEditTest < ActionController::IntegrationTest
 
     assert_select "form#edit_fixed_deliverable_#{@fixed_deliverable.id}" do
       assert_select "input#fixed_deliverable_title[value=?]", /#{@fixed_deliverable.title}/
-      assert_select "select#fixed_deliverable_type" do
-        assert_select "option[selected=selected][value=FixedDeliverable]"
-      end
     end
 
+    assert_select "select#fixed_deliverable_type", :count => 0 # Not editable
+
     fill_in "Title", :with => 'An updated title'
     check "Feature Sign Off"
     check "Warranty Sign Off"
@@ -50,11 +49,10 @@ class DeliverablesEditTest < ActionController::IntegrationTest
 
     assert_select "form#edit_hourly_deliverable_#{@hourly_deliverable.id}" do
       assert_select "input#hourly_deliverable_title[value=?]", /#{@hourly_deliverable.title}/
-      assert_select "select#hourly_deliverable_type" do
-        assert_select "option[selected=selected][value=HourlyDeliverable]"
-      end
     end
 
+    assert_select "select#hourly_deliverable_type", :count => 0 # Not editable
+
     fill_in "Title", :with => 'An updated title'
     check "Feature Sign Off"
     check "Warranty Sign Off"