On windows spec for recreating the expressir cache files fails

[w00lf]

Failures:

  1) Metanorma::Plugin::Lutaml::LutamlPreprocessor#process when lutaml-express-index keyword used with folder path when the cache file is corrupted recreates the cache file with the correct data
     Failure/Error:
       expect { xml_string_conent(metanorma_process(input)) }
         .to(change do
           wraper = Metanorma::Plugin::Lutaml::Utils.express_from_cache(cache_path) rescue nil
           wraper&.to_liquid&.length
         end.from(nil).to(2))

       expected result to have changed from nil to 2, but did not change
     # ./spec/metanorma/plugin/lutaml/lutaml2_text_preprocessor_spec.rb:510:in `block (5 levels) in <top (required)>'
     # ./spec/metanorma/plugin/lutaml/lutaml2_text_preprocessor_spec.rb:499:in `block (5 levels) in <top (required)>'
     # ./spec/metanorma/plugin/lutaml/lutaml2_text_preprocessor_spec.rb:389:in `block (4 levels) in <top (required)>'
Failed examples:

rspec ./spec/metanorma/plugin/lutaml/lutaml2_text_preprocessor_spec.rb:508 # Metanorma::Plugin::Lutaml::LutamlPreprocessor#process when lutaml-express-index keyword used with folder path when the cache file is corrupted recreates the cache file with the correct data