support/testing: add python-asn1crypto runtime test

Signed-off-by: Marcus Hoffmann <buildroot@bubu1.eu>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

support/testing/tests/package/sample_python_asn1crypto.py

@@ -0,0 +1,11 @@
+from asn1crypto import pem, x509
+
+
+with open('/etc/ssl/certs/ISRG_Root_X2.pem', 'rb') as f:
+    der_bytes = f.read()
+    if pem.detect(der_bytes):
+        type_name, headers, der_bytes = pem.unarmor(der_bytes)
+
+cert = x509.Certificate.load(der_bytes)
+
+assert cert.subject.native["common_name"] == "ISRG Root X2"