[starnix] Simplify tests that fork()

This add some utility classes for test that fork, so that:
- All children are waited before the test exits
- gtest macro can be used inside child
- parent fail when a child failed any expectation or assertion

Change-Id: I2cf631548be31f5cb82bb460f7fb9a4c8fb2ed87
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/694162
Commit-Queue: Benjamin Lerman <qsr@google.com>
Fuchsia-Auto-Submit: Benjamin Lerman <qsr@google.com>
Reviewed-by: Adam Barth <abarth@google.com>
7 files changed
tree: f097fd02c8e7939e92106cdc591ed9cfbc5cc0fc
  1. boards/
  2. build/
  3. bundles/
  4. docs/
  5. examples/
  6. products/
  7. scripts/
  8. sdk/
  9. src/
  10. third_party/
  11. tools/
  12. zircon/
  13. .clang-format
  14. .clang-tidy
  15. .editorconfig
  16. .git-blame-ignore-revs
  17. .gitattributes
  18. .gitignore
  19. .gn
  20. .style.yapf
  21. analysis_options.yaml
  22. AUTHORS
  23. BUILD.gn
  24. CODE_OF_CONDUCT.md
  25. CONTRIBUTING.md
  26. LICENSE
  27. OWNERS
  28. PATENTS
  29. pyrightconfig.json
  30. README.md
  31. rustfmt.toml
README.md

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