make test more robust

Author: mydea

packages/e2e-tests/test-applications/node-experimental-fastify-app/tests/server.test.ts

@@ -44,7 +44,9 @@ test('Sends transactions to Sentry', async ({ baseURL }) => {
 
   console.log(`Polling for transaction eventIds: ${JSON.stringify(transactionIds)}`);
 
-  expect(transactionIds.length).toBe(1);
+  // Note: This may be more than 1, as spans are flushed later, so we may get a flushed transaction from a different test as well here
+  // We just test that we get at least one
+  expect(transactionIds.length).toBeGreaterThan(0);
 
   await Promise.all(
     transactionIds.map(async (transactionId: string) => {