[libcxx-commits] [libcxx] [llvm] [utils] update how auto-updated tests are displayed when the test is retried (PR #181097)

[LLVM Continuous Integration via libcxx-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-flang-rhel-clang` running on `ppc64le-flang-rhel-test` while building `libcxx,llvm` at step 6 "test-build-unified-tree-check-flang".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/157/builds/44827

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-flang) failure: test (failure)
...
Traceback (most recent call last):
  File "/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/./bin/llvm-lit", line 51, in <module>
    from lit.main import main
  File "/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/utils/lit/lit/main.py", line 15, in <module>
    import lit.display
  File "/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/utils/lit/lit/display.py", line 93, in <module>
    class Display(object):
  File "/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/utils/lit/lit/display.py", line 97, in Display
    tests: list[Test],
TypeError: 'type' object is not subscriptable
FAILED: tools/flang/test/CMakeFiles/check-flang /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/tools/flang/test/CMakeFiles/check-flang 
cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/tools/flang/test && /home/buildbots/llvm-external-buildbots/workers/env/bin/python3.8 /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/./bin/llvm-lit -vj 256 --param flang_site_config=/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/tools/flang/test/lit.site.cfg.py /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/tools/flang/test
ninja: build stopped: subcommand failed.
Step 7 (test-build-unified-tree-check-flang-rt) failure: test (failure)
...
Traceback (most recent call last):
  File "/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/./bin/llvm-lit", line 51, in <module>
    from lit.main import main
  File "/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/utils/lit/lit/main.py", line 15, in <module>
    import lit.display
  File "/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/utils/lit/lit/display.py", line 93, in <module>
    class Display(object):
  File "/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/utils/lit/lit/display.py", line 97, in Display
    tests: list[Test],
TypeError: 'type' object is not subscriptable
FAILED: flang-rt/test/CMakeFiles/check-flang-rt /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/runtimes/runtimes-bins/flang-rt/test/CMakeFiles/check-flang-rt 
cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/runtimes/runtimes-bins/flang-rt/test && /home/buildbots/llvm-external-buildbots/workers/env/bin/python3.8 /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/./bin/llvm-lit -vj 256 /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/runtimes/runtimes-bins/flang-rt/test
ninja: build stopped: subcommand failed.
FAILED: runtimes/CMakeFiles/check-flang-rt /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/runtimes/CMakeFiles/check-flang-rt 
cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/runtimes/runtimes-bins && /home/buildbots/llvm-external-buildbots/cmake-3.31.2/bin/cmake --build /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/runtimes/runtimes-bins/ --target check-flang-rt --config Release
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/181097