Kubewarden-ui unit tests may pass in kubwarden-ui repo and fail in dashboard's check-plugins-build ci step

[mantis-toboggan-md]

kubewarden-ui unit tests run in the dashboard ci process as part of check-plugins-build. Recently some kubewarden-ui tests that pass when run in kubewarden-ui ci (and locally) failed during dashboard ci, see https://github.com/rancher/dashboard/actions/runs/9616946656/job/26527606192?pr=11286 for an example run. Before re-enabling this step of the test-plugins-build script we should figure out why tests would fail in one environment and not the other.