Update a visual case

yutannihilation · yutannihilation · commit 43d12b1b406a · 2019-09-11T21:35:06.000+09:00
diff --git a/tests/figs/geom-smooth/ribbon-turned-on-in-geom-smooth.svg b/tests/figs/geom-smooth/ribbon-turned-on-in-geom-smooth.svg
@@ -19,9 +19,13 @@
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