Refs #32848 - Ensure the Foreman version is nightly in tests

This copies the behavior of the stable release test for nightly to avoid
breaking on stable branches.

(cherry picked from commit 7e63755)

test/controllers/links_controller_test.rb

@@ -72,13 +72,15 @@ class LinksControllerTest < ActionController::TestCase
     end
 
     test 'new docs on nightly' do
-      get :show, params: {
-        type: 'docs',
-        section: 'TestSection',
-        chapter: 'TestChapter',
-      }
+      with_temporary_settings(version: Foreman::Version.new('3.10-develop')) do
+        get :show, params: {
+          type: 'docs',
+          section: 'TestSection',
+          chapter: 'TestChapter',
+        }
 
-      assert_redirected_to %r{https://docs\.theforeman\.org/nightly/TestSection/index-(foreman-(deb|el)|katello)\.html#TestChapter}
+        assert_redirected_to %r{https://docs\.theforeman\.org/nightly/TestSection/index-(foreman-(deb|el)|katello)\.html#TestChapter}
+      end
     end
 
     test 'new docs on a stable release' do