bring server files into project.

src/lib/server/test/getDiceRoll.test.ts

@@ -0,0 +1,15 @@
+import { describe, it } from "node:test";
+import { getDiceRoll } from "../../getDiceRoll";
+import { deepEqual } from "node:assert/strict";
+
+function testRandom() {
+	const val = [0, 0.2, 0.5, 0.5, 0.7, 0.9];
+	return () => val.shift()!;
+}
+
+describe("getDiceRoll", () => {
+	it("should return an array of numbers from 1 to 6 with a given length", () => {
+		let rand = getDiceRoll(6, testRandom());
+		deepEqual(rand, [0, 1, 3, 3, 4, 6]);
+	});
+});