Add plumbus test (#1975)

* add plumbus test

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* plumbus image

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* twenty twenty

Signed-off-by: Jess Frazelle <github@jessfraz.com>

---------

Signed-off-by: Jess Frazelle <github@jessfraz.com>

src/wasm-lib/tests/executor/main.rs

@@ -1848,3 +1848,66 @@ const part002 = startSketchOn(part001, 'end')
         .unwrap();
     twenty_twenty::assert_image("tests/executor/outputs/simple_revolve_sketch_on_edge.png", &result, 1.0);
 }
+
+#[tokio::test(flavor = "multi_thread")]
+async fn serial_test_plumbus_fillets() {
+    let code = r#"fn make_circle = (face, tag, pos, radius) => {
+  const sg = startSketchOn(face, tag)
+  |> startProfileAt([pos[0] + radius, pos[1]], %)
+  |> arc({
+       angle_end: 360,
+       angle_start: 0,
+       radius: radius
+     }, %, 'arc-' + tag)
+  |> close(%)
+
+  return sg
+}
+
+fn pentagon = (len) => {
+  const sg = startSketchOn('XY')
+  |> startProfileAt([-len / 2, -len / 2], %)
+  |> angledLine({ angle: 0, length: len }, %, 'a')
+  |> angledLine({
+       angle: segAng('a', %) + 180 - 108,
+       length: len
+     }, %, 'b')
+  |> angledLine({
+       angle: segAng('b', %) + 180 - 108,
+       length: len
+     }, %, 'c')
+  |> angledLine({
+       angle: segAng('c', %) + 180 - 108,
+       length: len
+     }, %, 'd')
+  |> angledLine({
+       angle: segAng('d', %) + 180 - 108,
+       length: len
+     }, %)
+
+  return sg
+}
+
+const p = pentagon(8)
+  |> extrude(5, %)
+
+const plumbus0 = make_circle(p, 'a', [0, 0], 1.5)
+  |> extrude(3, %)
+  |> fillet({
+       radius: 0.5,
+       tags: ['arc-a', getOppositeEdge('arc-a', %)]
+     }, %)
+
+const plumbus1 = make_circle(p, 'b', [0, 0], 1.5)
+  |> extrude(3, %)
+  |> fillet({
+       radius: 0.5,
+       tags: ['arc-b', getOppositeEdge('arc-b', %)]
+     }, %)
+"#;
+
+    let result = execute_and_snapshot(code, kittycad::types::UnitLength::Mm)
+        .await
+        .unwrap();
+    twenty_twenty::assert_image("tests/executor/outputs/plumbus_fillets.png", &result, 1.0);
+}