x/tools/gopls/internal/cmd: TestHighlight failures

[gopherbot]

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/cmd" && test == "TestHighlight"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestHighlight
=== PAUSE TestHighlight
=== CONT  TestHighlight
    integration_test.go:479: gopls highlight a.go:4:7: exited with code -1, want success: true (gopls highlight a.go:4:7: exit=-1 stdout=<<./a.go:4:6-13
        ./a.go:5:6-13
        >> stderr=<<>>)
--- FAIL: TestHighlight (120.43s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/cmd" && test == "TestHighlight"

2025-02-07 16:33 x_tools-go1.23-netbsd-arm tools@4d1de705 release-branch.go1.23@a991f9c3 x/tools/gopls/internal/cmd.TestHighlight (log)

=== RUN   TestHighlight
=== PAUSE TestHighlight
=== CONT  TestHighlight
    integration_test.go:479: gopls highlight a.go:4:7: exited with code -1, want success: true (gopls highlight a.go:4:7: exit=-1 stdout=<<./a.go:4:6-13
        ./a.go:5:6-13
        >> stderr=<<>>)
--- FAIL: TestHighlight (120.43s)

— watchflakes

[adonovan]

Dup of #54461