fixed undefined var

Author: Ngwerume

__tests__/main.test.js

@@ -2,5 +2,12 @@
 
 const main = require('../main');
 
+test('addNumbers function adds two numbers correctly', () => {
+  expect(main.addNumbers(2, 3)).toBe(5);
+});
+
+test('subtractNumbers function subtracts two numbers correctly', () => {
+  expect(main.subtractNumbers(5, 2)).toBe(3);
+});
 
 // Add more tests for other functions if needed

main.js

@@ -20,7 +20,7 @@ const unusedVariable = 'This variable is not used';
 const missingSemicolon = 'This line is missing a semicolon';
 
 // Error: Using an undefined variable
-console.log(undefinedVariable);
+//console.log(undefinedVariable);
 
 // Error: Trying to reassign a constant
 const constantValue = 42;