cmd/internal/testdir: stop manually adding GOROOT/bin to PATH

The go command already places $GOROOT/bin at the beginning of $PATH in
the test's environment as of Go 1.19¹, so there's no need for the test
to do it anymore. Start enjoying yet another benefit of using 'go test'.

¹ See

For #56844.

Change-Id: If7732cd8b8979eabf185485d3c73858a4e546d69
Reviewed-by: Bryan Mills <>
Run-TryBot: Dmitri Shuralyov <>
TryBot-Result: Gopher Robot <>
Auto-Submit: Dmitri Shuralyov <>
Reviewed-by: Dmitri Shuralyov <>
1 file changed
tree: 363aec5bbe2839bb4c4177b354b7f1ef47726519
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. codereview.cfg
  12. go.env

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