edit test file and change difficulty level to 4 which is medium

Author: A-O-Emmanuel

config.json

@@ -2777,7 +2777,7 @@
         "uuid": "de1c75f2-2461-4347-b5ca-b3cfaafe4d79",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 4
       }
     ]
   },

exercises/practice/error-handling/error-handling.spec.js

@@ -2,7 +2,30 @@ import { describe, expect, test, xtest } from '@jest/globals';
 import { processString } from './error-handling';
 
 describe('Error Handling', () => {
-  test('throws TypeError if input is not a string', () => {
+  test('never throws a generic Error for any invalid input', () => {
+    const invalidInputs = [
+      42, // TypeError
+      'short', // RangeError (too short)
+      'a'.repeat(101), // RangeError (too long)
+      '12345test6789text', // SyntaxError (mixed)
+    ];
+
+    for (const input of invalidInputs) {
+      let error;
+
+      try {
+        processString(input);
+      } catch (err) {
+        error = err;
+      }
+
+      expect(error).toBeInstanceOf(Error);
+      expect(error.constructor).not.toBe(Error);
+      expect(error.message).toEqual(expect.stringMatching(/.+/));
+    }
+  });
+
+  xtest('throws TypeError if input is not a string', () => {
     expect(() => processString(42)).toThrow(
       expect.objectContaining({
         name: 'TypeError',
@@ -11,10 +34,6 @@ describe('Error Handling', () => {
     );
   });
 
-  xtest('returns null if string is empty', () => {
-    expect(processString('')).toBeNull();
-  });
-
   xtest('throws error if input is too short', () => {
     expect(() => processString('short')).toThrow(
       expect.objectContaining({
@@ -43,30 +62,11 @@ describe('Error Handling', () => {
     );
   });
 
-  xtest('returns uppercase string if input is valid', () => {
-    expect(processString('hellotherefriend')).toBe('HELLOTHEREFRIEND');
+  xtest('returns null if string is empty', () => {
+    expect(processString('')).toBeNull();
   });
 
-  xtest('never throws a generic Error for any invalid input', () => {
-    const invalidInputs = [
-      42, // TypeError
-      'short', // RangeError (too short)
-      'a'.repeat(101), // RangeError (too long)
-      '12345test6789text', // SyntaxError (mixed)
-    ];
-
-    for (const input of invalidInputs) {
-      let error;
-
-      try {
-        processString(input);
-      } catch (err) {
-        error = err;
-      }
-
-      expect(error).toBeInstanceOf(Error);
-      expect(error.constructor).not.toBe(Error);
-      expect(error.message).toEqual(expect.stringMatching(/.+/));
-    }
+  xtest('returns uppercase string if input is valid', () => {
+    expect(processString('hellotherefriend')).toBe('HELLOTHEREFRIEND');
   });
 });