refactor: update command tests to use require syntax and improve error handling

__tests__/commands/prune.test.js

@@ -39,7 +39,8 @@ jest.mock('discord.js', () => ({
   },
 }));
 
-const pruneCommand = require('../../commands/prune');
+const PruneCommand = require('../../commands/prune').default;
+const pruneCommand = new PruneCommand();
 
 describe('Prune Command', () => {
   describe('Command Structure', () => {
@@ -103,7 +104,7 @@ describe('Prune Command', () => {
       await pruneCommand.execute(interaction);
 
       expect(interaction.reply).toHaveBeenCalledWith({
-        content: 'There was an error trying to prune messages in this channel!',
+        content: 'Command failed: Failed to delete messages',
         ephemeral: true,
       });
     });
@@ -116,7 +117,7 @@ describe('Prune Command', () => {
       await pruneCommand.execute(interaction);
 
       expect(interaction.reply).toHaveBeenCalledWith({
-        content: 'There was an error trying to prune messages in this channel!',
+        content: 'Command failed: Messages older than 14 days cannot be deleted',
         ephemeral: true,
       });
     });