Add testcase to checkKebabCase (TheAlgorithms#1027)

Author: Ankush263

String/test/CheckKebabCase.test.js

@@ -0,0 +1,13 @@
+import { CheckKebabCase } from '../CheckKebabCase'
+
+test('CheckKebabCase(The-Algorithms) -> true', () => {
+  const word = 'The-Algorithms'
+  const res = CheckKebabCase(word)
+  expect(res).toBeTruthy()
+})
+
+test('CheckKebabCase(The Algorithms) -> false', () => {
+  const word = 'The Algorithms'
+  const res = CheckKebabCase(word)
+  expect(res).toBeFalsy()
+})