diff --git a/packages/analytics-browser-test/test/index.test.ts b/packages/analytics-browser-test/test/index.test.ts
index e56b2114b..5c0902eab 100644
--- a/packages/analytics-browser-test/test/index.test.ts
+++ b/packages/analytics-browser-test/test/index.test.ts
@@ -2075,7 +2075,7 @@ describe('integration', () => {
           resolve();
         }, 4000);
       });
-    });
+    }, 10000);
 
     test('should send page view', () => {
       let payload: any = undefined;
diff --git a/packages/analytics-browser/src/browser-client.ts b/packages/analytics-browser/src/browser-client.ts
index 5bce40678..53f9d3316 100644
--- a/packages/analytics-browser/src/browser-client.ts
+++ b/packages/analytics-browser/src/browser-client.ts
@@ -199,6 +199,7 @@ export class AmplitudeBrowser extends AmplitudeCore implements BrowserClient, An
       },
     );
     diagnosticsClient.setTag('library', `${LIBPREFIX}/${VERSION}`);
+    diagnosticsClient.setTag('user_agent', navigator.userAgent);
 
     await super._init(browserOptions);
     this.logBrowserOptions(browserOptions);