tests/misc/coreutils.sh: Fail with invalid binary name

[oech3]

Fixes #10244
Also covers some (but no all of) use case for symlinking binary to /bin/false.

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/env/env. tests/env/env is passing on 'main'. Maybe you have to rebase?

[codspeed-hq]

CodSpeed Performance Report

Merging this PR will degrade performance by 27.39%

_{Comparing oech3:core-1 (0d4378d) with main (f2bec7b)¹}

Summary

❌ 13 regressed benchmarks
✅ 269 untouched benchmarks
⏩ 38 skipped benchmarks²

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	Memory	numfmt_to_si[10000]	4.7 MB	5 MB	-4.92%
❌	Memory	numfmt_round_modes[("up", 10000)]	4.8 MB	4.9 MB	-3.16%
❌	Memory	numfmt_to_si_precision[10000]	4.6 MB	4.8 MB	-3.2%
❌	Simulation	numfmt_to_iec[10000]	34 ms	35.1 ms	-3.21%
❌	Simulation	numfmt_to_si[10000]	34 ms	35.1 ms	-3.24%
❌	Simulation	numfmt_from_si[10000]	32.6 ms	33.7 ms	-3.27%
❌	Memory	sort_numeric[500000]	75.5 MB	79.2 MB	-4.66%
❌	Memory	sort_unique_locale[500000]	33.6 MB	39.8 MB	-15.51%
❌	Memory	sort_accented_data[500000]	22.1 MB	28.3 MB	-21.79%
❌	Memory	sort_ascii_only[500000]	22.2 MB	28.3 MB	-21.77%
❌	Memory	sort_mixed_data[500000]	22.9 MB	27.1 MB	-15.71%
❌	Memory	sort_key_field[500000]	47.8 MB	51.8 MB	-7.62%
❌	Memory	sort_long_line[160000]	712.6 KB	981.4 KB	-27.39%

Footnotes

1. No successful run was found on main (571e139) during the generation of this report, so f2bec7b was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

2. 38 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/env/env. tests/env/env is passing on 'main'. Maybe you have to rebase?
Skip an intermittent issue tests/misc/tee (fails in this run but passes in the 'main' branch)

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/env/env. tests/env/env is passing on 'main'. Maybe you have to rebase?
Skip an intermittent issue tests/shuf/shuf-reservoir (fails in this run but passes in the 'main' branch)
Skip an intermittent issue tests/sort/sort-stale-thread-mem (fails in this run but passes in the 'main' branch)

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/env/env. tests/env/env is passing on 'main'. Maybe you have to rebase?

[oech3]

I don't like to have .ends_with("box") in the binary just for test suite. Should be covered by shebang wrapper (at different PR).

[oech3]

shebang does not work...