Write Jest test cases for getCardValue function implementation

Author: Iswanna

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js

@@ -8,6 +8,14 @@ test("should return 11 for Ace of Spades", () => {
 });
 
 // Case 2: Handle Number Cards (2-10):
+// test("should return 10 for number cards from 1 to 10", () => {
+//   const numberCards = getCardValue("8♥");
+//   expect(numberCards.toEqual(10));
+// })
 // Case 3: Handle Face Cards (J, Q, K):
 // Case 4: Handle Ace (A):
 // Case 5: Handle Invalid Cards:
+test("should return invalid card rank for random numbers", () => {
+  const invalidRandomCard = getCardValue("85♠");
+  expect(invalidRandomCard).toEqual("Invalid card rank.");
+});