[coreboot - Bug #529] (New) `make what-jenkins-does` fails with `go: go.mod file not found in current directory or any parent directory; see 'go help modules'`

[Paul Menzel]

Issue #529 has been reported by Paul Menzel.

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Bug #529: `make what-jenkins-does` fails with `go: go.mod file not found in current directory or any parent directory; see 'go help modules'`
https://ticket.coreboot.org/issues/529

* Author: Paul Menzel
* Status: New
* Priority: Normal
* Category: build system
* Target version: none
* Start date: 2024-03-03
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```
$ git log --oneline --no-decorate -1
ec7b4807600 Revert "mb/sifive: Add Hifive Unmatched mainboard"
$ make what-jenkins-does
selected junit
Check that files have license headers (lint-stable-000-license-headers): success
Check for superfluous whitespace in the tree (lint-stable-003-whitespace): success
Check that C labels begin at start-of-line (lint-stable-004-style-labels): success
Check that every board has a meaningful board_info.txt (lint-stable-005-board-status): success
Check that every vendor and board has a Kconfig.name (lint-stable-006-board-name): success
Check Kconfig files for errors (lint-stable-008-kconfig): success
Verify that files don't have the old style header (lint-stable-009-old-licenses): success
Check that we use a single assembler syntax (lint-stable-010-asm-syntax): success
Check that source files are not executable (lint-stable-012-executable-bit): success
Verify that site-local is not in the coreboot repository (lint-stable-013-site-local): success
Check for non-ASCII and unprintable characters (lint-stable-016-non-ascii): fatal: cannot use Perl-compatible regexes when not compiled with USE_LIBPCRE
success
Check that saved config files are miniconfigs (lint-stable-017-configs): success
Report any symbolic links (lint-stable-018-symlinks): success
Check for auto-included headers (lint-stable-019-header-files): success
Verify that the word 'coreboot' is lowercase (lint-stable-021-coreboot-lowercase): success
Run clang-format on white-listed directories (lint-stable-022-clang-format): success
Check for illegal characters in filename (lint-stable-023-filenames): success
Check that no board's Kconfig sets SUBSYSTEM_(VENDOR|DEVICE)_ID (lint-stable-024-kconfig-no-subsystem): success
Verify that files don't contain windows line endings (lint-stable-026-line-endings): fatal: cannot use Perl-compatible regexes when not compiled with USE_LIBPCRE
success
Check that path patterns in MAINTAINERS have trailing slash (lint-stable-027-maintainers-syntax): success
Check that no touchpad uses the "probed" flag (lint-stable-028-touchpad-probed-warning): success
Check that boards don't use select Kconfig.name (lint-stable-029-kconfig-name-selects): success
selected junit
Run checkpatch on directories that are known good (lint-extended-007-checkpatch): success
Check that files end with a single newline (lint-extended-015-final-newlines): success
Check for a signed-off-by line on the latest commit (lint-extended-020-signed-off-by): success
go: go.mod file not found in current directory or any parent directory; see 'go help modules'
make: *** [util/testing/Makefile.mk:98: what-jenkins-does] Error 1
```