add trace lifetime tests

Author: Lms24

dev-packages/browser-integration-tests/results.junit.xml

@@ -0,0 +1,12 @@
+import * as Sentry from '@sentry/browser';
+// Import this separately so that generatePlugin can handle it for CDN scenarios
+import { feedbackIntegration } from '@sentry/browser';
+
+window.Sentry = Sentry;
+
+Sentry.init({
+  dsn: 'https://public@dsn.ingest.sentry.io/1337',
+  integrations: [Sentry.browserTracingIntegration(), feedbackIntegration(), Sentry.spanStreamingIntegration()],
+  tracePropagationTargets: ['http://sentry-test-site.example'],
+  tracesSampleRate: 1,
+});