diff --git a/tests/test_api.py b/tests/test_api.py
index e4ade69..dc5190d 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -32,6 +32,7 @@
     ("fontVariations", "svg", "linux"),
     ("fontVariations", "pdf", "win32"),
     ("fontVariations", "svg", "win32"),
+    ("fontVariations", "pdf", "darwin"),
     ("image", "pdf", "linux"),
     ("image", "pdf", "win32"),
     ("imageBlendMode", "pdf", "linux"),