Cube example didn't actually work (#1478)

* Cube example didn't actually work

* Bump h2 in fuzz tests

src/wasm-lib/grackle/src/tests.rs

@@ -1047,14 +1047,7 @@ fn store_object_with_array_property() {
 #[ignore = "haven't done API calls or stdlib yet"]
 #[test]
 fn stdlib_api_calls() {
-    let program = "const x0 = startSketchAt([0, 0])
-        const x1 = line([0, 10], x0)
-        const x2 = line([10, 0], x1)
-        const x3 = line([0, -10], x2)
-        const x4 = line([0, 0], x3)
-        const x5 = close(x4)
-        const x6 = extrude(20, x5)
-      show(x6)";
+    let program = include_str!("../../tests/executor/inputs/cube.kcl");
     must_plan(program);
 }
 

src/wasm-lib/tests/executor/inputs/cube.kcl

@@ -1,12 +1,20 @@
-fn cube = (pos, scale) => {
-  const sg = startSketchAt(pos)
-    |> line([0, scale], %)
-    |> line([scale, 0], %)
-    |> line([0, -scale], %)
-
-  return sg
+fn cube = (length, center) => {
+  let l = length/2
+  let x = center[0]
+  let y = center[1]
+  let p0 = [-l + x, -l + y]
+  let p1 = [-l + x,  l + y]
+  let p2 = [ l + x,  l + y]
+  let p3 = [ l + x, -l + y]
+  
+  return startSketchAt(p0)
+  |> lineTo(p1, %)
+  |> lineTo(p2, %)
+  |> lineTo(p3, %)
+  |> lineTo(p0, %)
+  |> close(%)
+  |> extrude(length, %)
 }
 
-const b1 = cube([0,0], 10)
-const pt1 = b1[0]
-show(b1)
+const myCube = cube(40, [0,0])
+show(myCube)