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diff --git a/tests/ref/visualize/shape-fill-stroke.png b/tests/ref/visualize/shape-fill-stroke.png
new file mode 100644
index 00000000..b8c78a55
--- /dev/null
+++ b/tests/ref/visualize/shape-fill-stroke.png
diff --git a/tests/ref/visualize/shape-rect.png b/tests/ref/visualize/shape-rect.png
new file mode 100644
index 00000000..b3311ba5
--- /dev/null
+++ b/tests/ref/visualize/shape-rect.png
diff --git a/tests/ref/visualize/shape-square.png b/tests/ref/visualize/shape-square.png
new file mode 100644
index 00000000..1f5303b9
--- /dev/null
+++ b/tests/ref/visualize/shape-square.png