e2e: wait for trace view

e2e/suite1/specs/trace-view-scrolling.spec.ts

@@ -3,9 +3,11 @@ import { e2e } from '@grafana/e2e';
 describe('Trace view', () => {
   it('Can lazy load big traces', () => {
     e2e.flows.login('admin', 'admin');
-    e2e().intercept('GET', '/api/traces/long-trace', {
-      fixture: 'long-trace-response.json',
-    });
+    e2e()
+      .intercept('GET', '/api/traces/long-trace', {
+        fixture: 'long-trace-response.json',
+      })
+      .as('longTrace');
 
     e2e.pages.Explore.visit();
 
@@ -21,6 +23,8 @@ describe('Trace view', () => {
 
     e2e.components.RefreshPicker.runButton().should('be.visible').click();
 
+    e2e().wait('@longTrace');
+
     e2e.components.TraceViewer.spanBar().should('have.length', 100);
     e2e.pages.Explore.General.scrollBar().scrollTo('center');