add unique identifier test vector (#3925)
* add unique identifier test vector
* wrap a line I didn't even touch...
diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index 332bc74..e27490d 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -168,8 +168,10 @@
a basic constraints extension with CA set to false and a path length of zero
in violation of :rfc:`5280`.
* ``tls-feature-ocsp-staple.pem`` - A certificate issued by Let's Encrypt that
- contains a TLS Feature extension with the ``status_request`` feature (commonly
- known as OCSP Must-Staple).
+ contains a TLS Feature extension with the ``status_request`` feature
+ (commonly known as OCSP Must-Staple).
+* ``unique-identifier.pem`` - A certificate containing
+ a distinguished name with an ``x500UniqueIdentifier``.
Custom X.509 Vectors
~~~~~~~~~~~~~~~~~~~~