gopls/internal/regtest: update TestEditFile to use a modified buffer

In CL 267577, the fake editor was updated to automatically refresh
unmodified buffers with on-disk changes. This created a race in
TestEditFile, which asserts that on-disk changes are NOT reflected in
open buffers.

Fix this by inserting a trivial modification to the open buffer.  Also
make the test deterministic, so that it fails consistently without this
modification.

Change-Id: If20af2a3e8f33a64a7514ae3fb5469bd9c59a9c9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/270244
Run-TryBot: Robert Findley <rfindley@google.com>
Trust: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
1 file changed
tree: 92f506adbecf4bf80db6f01fc56ef242c3c8cbf0
  1. .gitattributes
  2. .gitignore
  3. .prettierrc
  4. AUTHORS
  5. CONTRIBUTING.md
  6. CONTRIBUTORS
  7. LICENSE
  8. PATENTS
  9. README.md
  10. benchmark/
  11. blog/
  12. cmd/
  13. codereview.cfg
  14. container/
  15. cover/
  16. go.mod
  17. go.sum
  18. go/
  19. godoc/
  20. gopls/
  21. imports/
  22. internal/
  23. playground/
  24. present/
  25. refactor/
  26. txtar/
README.md

Go Tools

This subrepository holds the source for various packages and tools that support the Go programming language.

Some of the tools, godoc and vet for example, are included in binary Go distributions.

Others, including the Go guru and the test coverage tool, can be fetched with go get.

Packages include a type-checker for Go and an implementation of the Static Single Assignment form (SSA) representation for Go programs.

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