Update: fix test cases in getCardValue to improve readability and consistency

Author: SuWebOnes

Sprint-3/2-mandatory-rewrite/3-get-card-value.test.js

@@ -1,11 +1,27 @@
 const getCardValue = require("./3-get-card-value");
 
 test("should return 11 for Ace of Spades", () => {
-    const aceofSpades = getCardValue("A♠");
-    expect(aceofSpades).toEqual(11);
-    });
+  const aceofSpades = getCardValue("A♠");
+  expect(aceofSpades).toEqual(11);
+});
 
 // Case 2: Handle Number Cards (2-10):
+test("should return 7 for 7 of Hearts", () => {
+  const sevenOfHearts = getCardValue("7♥");
+  expect(sevenOfHearts).toEqual(7);
+});
 // Case 3: Handle Face Cards (J, Q, K):
+test("should return 10 for King of Diamonds", () => {
+  const kingOfDiamonds = getCardValue("K♦");
+  expect(kingOfDiamonds).toEqual(10);
+});
 // Case 4: Handle Ace (A):
+test("should return 11 for Ace of Clubs", () => {
+  const aceOfClubs = getCardValue("A♣");
+  expect(aceOfClubs).toEqual(11);
+});
 // Case 5: Handle Invalid Cards:
+test("should return 0 for invalid card 'X♠'", () => {
+  const invalidCard = getCardValue("X♠");
+  expect(invalidCard).toEqual(0);
+});