Fix typo in error message assertion for invalid card rank in getCardValue function

Author: CatchingKiyoko

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

@@ -80,5 +80,5 @@ try {
   getCardValue("z♠"); // this should throw an error of "Invalid card rank."
   console.log("Test failed: Expected an error for invalid card rank.");
 } catch(error){
-  assertEquals(error.meessage, "Invalid card rank.");
+  assertEquals(error.message, "Invalid card rank.");
 }