diff --git a/tests/online/test_0_qr.py b/tests/online/test_0_qr.py
new file mode 100644
index 00000000..2f4c5327
--- /dev/null
+++ b/tests/online/test_0_qr.py
@@ -0,0 +1,8 @@
+
+
+from deploy_chatmail.genqr import gen_qr_png_data
+
+
+def test_gen_qr_png_data(maildomain):
+    data = gen_qr_png_data(maildomain)
+    assert data