Add svgjs and testing with fake dom

test/visualSegments.test.ts

@@ -0,0 +1,21 @@
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+//@ts-ignore
+import { createSVGWindow } from "svgdom";
+import { registerWindow } from "@svgdotjs/svg.js";
+
+import { toSVG } from "../src/utils/visualUtils";
+
+beforeAll(() => {
+    const window = createSVGWindow();
+    registerWindow(window, window.document)
+})
+
+test("Visual Segment SVG converter", async () => {
+    toSVG([{
+        time: 0,
+        bounds: [[0, 0], [25, 0], [25, 40], [0, 30]],
+        smooth: false,
+        curve: "linear",
+        color: "#000000",
+    }]);
+});