diff --git a/calendar.test.js b/calendar.test.js
index 980d34e..86396a9 100644
--- a/calendar.test.js
+++ b/calendar.test.js
@@ -33,6 +33,10 @@ describe('Calendar Merging API', () => {
             });
         expect(response.status).toBe(200);
         expect(response.body.url).toMatch(/calendar\/Date_Based_Calendar/);
-    })
+
+        // Check if the file was created
+        const filePath = path.join(MERGED_CALENDARS_DIR, 'Date_Based_Calendar.ics');
+        expect(fs.existsSync(filePath)).toBe(true);
+    });
 
 });
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