diff --git a/tests/testdata/control_images/symbol_linearref/expected_labeling_engine/expected_labeling_engine_mask.png b/tests/testdata/control_images/symbol_linearref/expected_labeling_engine/expected_labeling_engine_mask.png
new file mode 100644
index 000000000000..4d65c05d7a30
Binary files /dev/null and b/tests/testdata/control_images/symbol_linearref/expected_labeling_engine/expected_labeling_engine_mask.png differ