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-rw-r--r--tests/hazmat/primitives/twofactor/test_totp.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/tests/hazmat/primitives/twofactor/test_totp.py b/tests/hazmat/primitives/twofactor/test_totp.py
index 518d3ce8..6ad70ae1 100644
--- a/tests/hazmat/primitives/twofactor/test_totp.py
+++ b/tests/hazmat/primitives/twofactor/test_totp.py
@@ -16,6 +16,7 @@ from __future__ import absolute_import, division, print_function
import pytest
from cryptography.exceptions import InvalidToken, _Reasons
+from cryptography.hazmat.backends.interfaces import HMACBackend
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives.twofactor.totp import TOTP
@@ -27,7 +28,7 @@ vectors = load_vectors_from_file(
"twofactor/rfc-6238.txt", load_nist_vectors)
-@pytest.mark.hmac
+@pytest.mark.requires_backend_interface(interface=HMACBackend)
class TestTOTP(object):
@pytest.mark.supported(
only_if=lambda backend: backend.hmac_supported(hashes.SHA1()),