add invalidate query test

Author: ashphy

tests/invalidate_query.test.ts

@@ -0,0 +1,10 @@
+import { expect, test } from "vitest";
+import { JSONPathJS } from "../src";
+
+test("Query that does not start with $ should throw an error", () => {
+  expect(() => new JSONPathJS("*")).toThrowError();
+});
+
+test("Query with unclosed brackets should throw an error", () => {
+  expect(() => new JSONPathJS("$.store.book[0")).toThrowError();
+});