add test for increasing coverage

backend/src/util/round.test.ts

@@ -0,0 +1,22 @@
+import { roundCeilFrom4, roundFloorFrom4, roundCeilFrom2, roundFloorFrom2 } from './round'
+
+describe('utils/round', () => {
+    it('roundCeilFrom4', () => {
+      const amount = 11617
+      expect(roundCeilFrom4(amount)).toBe(1.17)
+    })
+    // Not sure if the following skiped tests make sence!?
+    it('roundFloorFrom4', () => {
+      const amount = 11617
+      expect(roundFloorFrom4(amount)).toBe(1.16)
+    })
+    it('roundCeilFrom2', () => {
+      const amount = 1216
+      expect(roundCeilFrom2(amount)).toBe(13)
+    })
+    // not possible, nodejs hasn't enough accuracy
+    it('roundFloorFrom2', () => {
+      const amount = 1216
+      expect(roundFloorFrom2(amount)).toBe(12)
+    })
+})