diff --git a/code/websites/pokedex.online/tests/unit/composables/useGamemasterFiles.test.js b/code/websites/pokedex.online/tests/unit/composables/useGamemasterFiles.test.js
index ed5ce45..799d220 100644
--- a/code/websites/pokedex.online/tests/unit/composables/useGamemasterFiles.test.js
+++ b/code/websites/pokedex.online/tests/unit/composables/useGamemasterFiles.test.js
@@ -327,10 +327,9 @@ describe('useGamemasterFiles', () => {
       });
 
       it('should be true for large files', async () => {
-        const largeData = {
-          items: Array(15000).fill({ id: 1 })
-        };
-        mockClient.getPokemon.mockResolvedValueOnce(largeData);
+        // Create a large string that will split into many lines
+        const largeContent = Array(15000).fill('line').join('\n');
+        mockClient.getPokemon.mockResolvedValueOnce(largeContent);
         composable.selectedFile.value = 'pokemon';
 
         await composable.loadFile();