[libcxx-commits] [libcxx] [libcxx] Update testing documentation about CI container images. (PR #149192)

[Louis Dionne via libcxx-commits]

================
@@ -174,10 +174,11 @@ Pre-commit CI
 Introduction
 ------------
 
-Unlike most parts of the LLVM project, libc++ uses a pre-commit CI [#]_. This
-CI is hosted on `Buildkite <https://buildkite.com/llvm-project/libcxx-ci>`__ and
-the build results are visible in the review on GitHub. Please make sure
-the CI is green before committing a patch.
+Unlike most parts of the LLVM project, libc++ uses a pre-commit CI [#]_. Some of
+this CI is hosted on `Buildkite<https://buildkite.com/llvm-project/libcxx-ci>`__,
----------------
ldionne wrote:

```suggestion
this CI is hosted on `Buildkite <https://buildkite.com/llvm-project/libcxx-ci>`__,
```

https://github.com/llvm/llvm-project/pull/149192