diff --git a/backend/playwright.config.mjs b/backend/playwright.config.mjs
index efcd928..bf3f7a4 100644
--- a/backend/playwright.config.mjs
+++ b/backend/playwright.config.mjs
@@ -23,5 +23,17 @@ export default defineConfig({
         ...devices['Desktop Chrome'],
       },
     },
+    {
+      name: 'firefox',
+      use: {
+        ...devices['Desktop Firefox'],
+      },
+    },
+    {
+      name: 'webkit',
+      use: {
+        ...devices['Desktop Safari'],
+      },
+    },
   ],
 });
\ No newline at end of file