Python: Add cryptography test for EC

Apparently, passing in the class (without instantiating it) is allowed

Author: RasmusWL

python/ql/test/library-tests/frameworks/cryptography/test_ec.py

@@ -6,6 +6,7 @@
 
 
 private_key = ec.generate_private_key(curve=ec.SECP384R1()) # $ PublicKeyGeneration keySize=384
+private_key = ec.generate_private_key(curve=ec.SECP384R1) # $ MISSING: PublicKeyGeneration keySize=384
 public_key = private_key.public_key()
 
 HASH_ALGORITHM = hashes.SHA256()