Update test titles to describe each case

Author: JCarlosR

Dynamic-Programming/tests/LevenshteinDistance.test.js

@@ -1,18 +1,18 @@
 import { calculateLevenshteinDp } from '../LevenshteinDistance'
 
-test('Test Case 1', () => {
+test('Add and remove letters at the beginning and the end while making replacements', () => {
   const from = 'kitten'
   const to = 'sitting'
   expect(calculateLevenshteinDp(from, to)).toBe(3)
 })
 
-test('Test Case 2', () => {
+test('Replace contiguous letters at the middle of the words', () => {
   const from = 'book'
   const to = 'back'
   expect(calculateLevenshteinDp(from, to)).toBe(2)
 })
 
-test('Test Case 3', () => {
+test('Compare properly strings with different length', () => {
   const from = 'sunday'
   const to = 'saturday'
   expect(calculateLevenshteinDp(from, to)).toBe(3)