encode countryName with PrintableString

This commit adds a dependency on asn1crypto for testing purposes to
parse the certificate and confirm that countryName is encoded with
PrintableString while other fields are UTF8String. This is a test
only dep.

1 files changed, 1 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index 9c97e1dd..d54afc02 100644
--- a/setup.py
+++ b/setup.py
@@ -63,6 +63,7 @@ test_requirements = [
     "pretend",
     "iso8601",
     "hypothesis",
+    "asn1crypto",
 ]
 
 # If there's no vectors locally that probably means we are in a tarball and