Fix coverage runfiles directory issue

As discovered in https://github.com/bazelbuild/bazel/pull/15030 there
was another bug with the short circuiting coverage logic where tests
were not run from the correct directory. In that PR this issue is fixed
directly, with this change we instead make missing LCOV_MERGER be
deferred until after all test setup and run, which I think is more
future proof to other changes here, and also allows users to know their
tests are being run with coverage, and output the correct files, even in
the case they don't setup the coverage merger infrastructure.

Closes #15031.

PiperOrigin-RevId: 434715347
2 files changed
tree: 042e3e21bdbf84411bea638f0680998ce35cfe39
  1. .bazelci/
  2. .github/
  3. examples/
  4. scripts/
  5. site/
  6. src/
  7. third_party/
  8. tools/
  9. .bazelrc
  10. .gitattributes
  11. .gitignore
  12. AUTHORS
  13. BUILD
  14. CHANGELOG.md
  15. CODE_OF_CONDUCT.md
  16. CODEBASE.md
  17. CODEOWNERS
  18. combine_distfiles.py
  19. combine_distfiles_to_tar.sh
  20. compile.sh
  21. CONTRIBUTING.md
  22. CONTRIBUTORS
  23. distdir.bzl
  24. distdir_deps.bzl
  25. ISSUE_TEMPLATE.md
  26. LICENSE
  27. MODULE.bazel
  28. README.md
  29. SECURITY.md
  30. WORKSPACE
  31. WORKSPACE.bzlmod
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