Unit test the test harness
diff --git a/tests/primitives/test_utils.py b/tests/primitives/test_utils.py
new file mode 100644
index 0000000..4666ece
--- /dev/null
+++ b/tests/primitives/test_utils.py
@@ -0,0 +1,14 @@
+import pytest
+
+from .utils import encrypt_test
+
+
+class TestEncryptTest(object):
+ def test_skips_if_only_if_returns_false(self):
+ with pytest.raises(pytest.skip.Exception) as exc_info:
+ encrypt_test(
+ None, None, None, None,
+ only_if=lambda api: False,
+ skip_message="message!"
+ )
+ assert exc_info.value.args[0] == "message!"