cmd/go: fix syntax mistake in a testscript file, take 2

This is a followup to CL 181278 and CL 181177.

According to cmd/go/testdata/script/README:

	Each line is parsed into a sequence of space-separated command words,
	with environment variable expansion and # marking an end-of-line comment.
	Adding single quotes around text keeps spaces in that text from being treated
	as word separators and also disables environment variable expansion.

We want $HOME to be expanded, so leave it out of the single-quoted
block of text.

I tested this change on macOS, and it makes TestScript/env_write pass.

Fixes #32503

Change-Id: I13621aec82263e5cb6978c13a1ad71d2210a0e42
Reviewed-on: https://go-review.googlesource.com/c/go/+/181418
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
1 file changed
tree: a6ef11029f8da7cd210ab42de5816c6d8554bbab
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. CONTRIBUTING.md
  12. CONTRIBUTORS
  13. favicon.ico
  14. LICENSE
  15. PATENTS
  16. README.md
  17. robots.txt
  18. SECURITY.md
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