add tests for distance

Author: madsrasmussen

src/packages/core/utils/math/distance.test.ts

@@ -0,0 +1,10 @@
+import { expect } from '@open-wc/testing';
+import { distance } from './math.js';
+
+describe('distance', () => {
+	it('should return the distance between two points', () => {
+		expect(distance(5, 10)).to.equal(5);
+		expect(distance(5.86732, 10.3989328)).to.equal(4.5316128);
+		expect(distance(-25.8673, 12912.47831)).to.equal(12938.34561);
+	});
+});