diff --git a/Dynamic-Programming/tests/TrappingRainWater.test.js b/Dynamic-Programming/tests/TrappingRainWater.test.js
index 54437bd78..f290ea90f 100644
--- a/Dynamic-Programming/tests/TrappingRainWater.test.js
+++ b/Dynamic-Programming/tests/TrappingRainWater.test.js
@@ -2,10 +2,10 @@ import { trap } from '../TrappingRainWater'
 
 describe('TrappingRainWater', () => {
   it('expects 6 units of rain water are being trapped', () => {
-    expect(trap([0,1,0,2,1,0,1,3,2,1,2,1])).toBe(6)
+    expect(trap([0, 1, 0, 2, 1, 0, 1, 3, 2, 1, 2, 1])).toBe(6)
   })
 
   it('expects 9 units of rain water are being trapped', () => {
-    expect(trap([4,2,0,3,2,5])).toBe(9)
+    expect(trap([4, 2, 0, 3, 2, 5])).toBe(9)
   })
 })