diff --git a/test_data/carrier.jpg b/test_data/carrier.jpg new file mode 100644 index 0000000..aae33f9 Binary files /dev/null and b/test_data/carrier.jpg differ diff --git a/test_data/ref.jpg b/test_data/ref.jpg new file mode 100644 index 0000000..faeaceb Binary files /dev/null and b/test_data/ref.jpg differ