added tests to extra check the function

Author: Yonatanteklemariam

Sprint-2/1-key-errors/0.js

@@ -1,7 +1,5 @@
 // Predict and explain first...
 //  =============> I presume the str is repeatedly declared, first as a parameter and again as a variable.
-
-
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
 
@@ -19,3 +17,4 @@ OR
 function capitalise(str) {
 return `${str[0].toUpperCase()}${str.slice(1)}`;
 }
+*/

Sprint-2/1-key-errors/1.js

@@ -1,5 +1,4 @@
 // Predict and explain first...
-
 // Why will an error occur when this program runs?
 // =============> The error will appear because we are trying to log the variable decimalNumber in the function. We have to call the function at this point. Besides to that, the decimalNumber is again declared inside the function where it shouldn't be.
 

Sprint-2/2-mandatory-debug/2.js

@@ -12,6 +12,7 @@ function getLastDigit(num) {
 console.log(`The last digit of 42 is ${getLastDigit(42)}`);
 console.log(`The last digit of 105 is ${getLastDigit(105)}`);
 console.log(`The last digit of 806 is ${getLastDigit(806)}`);
+console.log(`The last digit of 7247 is ${getLastDigit(7274)}`);
 
 // Now run the code and compare the output to your prediction
 /* ===========> function getLastDigit() {