Refactor how cipher names are computed
diff --git a/tests/bindings/test_openssl.py b/tests/bindings/test_openssl.py
index e5b78d1..2d51330 100644
--- a/tests/bindings/test_openssl.py
+++ b/tests/bindings/test_openssl.py
@@ -30,4 +30,4 @@
         assert api.openssl_version_text().startswith("OpenSSL")
 
     def test_supports_cipher(self):
-        assert api.supports_cipher("not-a-real-cipher") is False
+        assert api.supports_cipher(None, None) is False