Fix the build.

Fix the build.

diff --git a/spec/helpers/application_helper_spec.rb b/spec/helpers/application_helper_spec.rb
index ad3a7a3..d2ff47b 100644
--- a/spec/helpers/application_helper_spec.rb
+++ b/spec/helpers/application_helper_spec.rb
@@ -451,7 +451,7 @@ describe ApplicationHelper do
 
   describe "dark_color_scheme?" do
     it 'returns nil for the base color scheme' do
-      expect(helper.dark_color_scheme?).to eq(nil)
+      expect(helper.dark_color_scheme?).to eq(false)
     end
 
     it 'works correctly for a dark scheme' do

GitHub sha: 611d9f61