[TSVB] Try to stabilize the test (elastic#169254)

## Summary Hopefully stabilizes this flakiness Closes elastic#167728 Run 100 times: https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/3593 (cherry picked from commit 1fcdd34)
kibanamachine · Oct 19, 2023 · 339c2bb · 339c2bb
1 parent 5693154
commit 339c2bb
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/test/functional/page_objects/visual_builder_page.ts b/test/functional/page_objects/visual_builder_page.ts
@@ -667,6 +667,7 @@ export class VisualBuilderPageObject extends FtrService {
     const fieldEl = await this.getFieldForAggregation(aggNth);
 
     await this.comboBox.setElement(fieldEl, field);
+    await this.header.waitUntilLoadingHasFinished();
   }
 
   public async setFieldForAggregateBy(field: string): Promise<void> {