[CE] Reduce the diff with EE in spec/policies/namespace_policy_spec.rb

Signed-off-by: Rémy Coutable <remy@rymai.me>

spec/policies/namespace_policy_spec.rb

@@ -30,7 +30,7 @@ describe NamespacePolicy do
     context 'user who has exceeded project limit' do
       let(:owner) { create(:user, projects_limit: 0) }
 
-      it { is_expected.not_to be_allowed(:create_projects) }
+      it { is_expected.to be_disallowed(:create_projects) }
     end
   end