1 files changed, 4 insertions, 1 deletions
diff --git a/tests/hazmat/backends/test_openssl.py b/tests/hazmat/backends/test_openssl.py
index d4c5e2e7..d2620060 100644
--- a/tests/hazmat/backends/test_openssl.py
+++ b/tests/hazmat/backends/test_openssl.py
@@ -493,7 +493,7 @@ class TestOpenSSLSerialisationWithOpenSSL(object):
             )
 
 
-class TestOpenSSLNoEllipticCurve(object):
+class TestOpenSSLEllipticCurve(object):
     def test_elliptic_curve_supported(self, monkeypatch):
         monkeypatch.setattr(backend._lib, "Cryptography_HAS_EC", 0)
 
@@ -506,6 +506,9 @@ class TestOpenSSLNoEllipticCurve(object):
             None, None
         ) is False
 
+    def test_sn_to_elliptic_curve_not_supported(self):
+        with raises_unsupported_algorithm(_Reasons.UNSUPPORTED_ELLIPTIC_CURVE):
+            backend._sn_to_elliptic_curve(b"fake")
 
 class TestDeprecatedRSABackendMethods(object):
     def test_create_rsa_signature_ctx(self):