Add basic tests for all non DOM/Window calls

Note that these are very basic tests and just a start to learn vitest. There are no tests for DOM/Window because I do not know how to do those tests the best way with some headless brower testing suit or which to use

tests/UniqIdGenerators.test.js

@@ -19,10 +19,11 @@ import {
 }); */
 
 describe("randomIdF", () => {
-	it('Should create a 10 character long random id', () => {
+	it('Should create a 10 or 11 character long random id', () => {
 		let rand_id = randomIdF();
-		expect(rand_id).lengthOf(11);
-		expect(rand_id).match(/^[a-z0-9]{11}$/);
+		expect(rand_id.length).toBeGreaterThanOrEqual(10);
+		expect(rand_id.length).toBeLessThanOrEqual(11);
+		expect(rand_id).match(/^[a-z0-9]{10,11}$/);
 	});
 });