Fix rspec with new disk properties

spec/oar_properties_spec.rb

spec/output/grimoire_empty_diff_stdout.txt

spec/output/grimoire_empty_print_stdout.txt

spec/output/yeti_empty_diff_stdout.txt

spec/output/yeti_empty_print_stdout.txt

...perties/dump_oar_api_configured_server_quirk_cluster.json

..._properties/dump_oar_api_configured_server_with_disk.json

...roperties/dump_oar_api_configured_server_without_gpu.json