test(Worker): Skip test on CI
test(Worker): Skip test on CI

This test was causing occaisional reductions in recorded coverage (one line), that was in turn causing CodeCov checks to fail, particularly on Renovate PRs where coverage should not be affected. See for example https://github.com/stencila/hub/pull/797

stencila/hub,stencila/hub,stencila/hub,stencila/hub,stencila/hub