Adds test vectors for X.509 CSR decoding.
diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index 6f61a7e..4fd358e 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -124,6 +124,8 @@
   "We heart UTF8!™".
 * ``two_basic_constraints.pem`` - An RSA 2048 bit self-signed certificate
   containing two basic constraints extensions.
+* ``two_basic_constraints_csr.pem`` - A cerfificate sigining request
+  for a RSA 2048 bit key containing two basic constraints extensions.
 * ``basic_constraints_not_critical.pem`` - An RSA 2048 bit self-signed
   certificate containing a basic constraints extension that is not marked as
   critical.
@@ -133,9 +135,17 @@
 * ``unsupported_extension.pem`` - An RSA 2048 bit self-signed certificate
   containing an unsupported extension type. The OID was encoded as
   "1.2.3.4" with an ``extnValue`` of "value".
+* ``unsupported_extension_csr.pem`` - A certificate signing request
+  for an RSA 2048 bit key containing containing an unsupported
+  extension type. The OID was encoded as "1.2.3.4" with an
+  ``extnValue`` of "value".
 * ``unsupported_extension_critical.pem`` - An RSA 2048 bit self-signed
   certificate containing an unsupported extension type marked critical. The OID
   was encoded as "1.2.3.4" with an ``extnValue`` of "value".
+* ``unsupported_extension_critical_csr.pem`` - A certificate signing
+  request for an RSA 2048 bit key containing containing an unsupported
+  extension type marked critical. The OID was encoded as "1.2.3.4"
+  with an ``extnValue`` of "value".
 * ``san_email_dns_ip_dirname_uri.pem`` - An RSA 2048 bit self-signed
   certificate containing a subject alternative name extension with the
   following general names: ``rfc822Name``, ``dNSName``, ``iPAddress``,