[Gardener] Skip flaky ForcedReflow/generates-call-stacks test

Bug: 392557418
Change-Id: Icb2dbfab32e4bc2971aef1c6bb4d5a4890145aca
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6197650
Auto-Submit: Ergün Erdoğmuş <[email protected]>
Commit-Queue: Ergün Erdoğmuş <[email protected]>
Commit-Queue: Alex Rudenko <[email protected]>
Reviewed-by: Alex Rudenko <[email protected]>

Author: ergunsh

front_end/models/trace/insights/ForcedReflow.test.ts

@@ -16,7 +16,8 @@ export async function processTrace(testContext: Mocha.Suite|Mocha.Context|null,
 }
 
 describeWithEnvironment('ForcedReflow', function() {
-  it('generates call stacks', async function() {
+  // Skip to re-open the tree
+  it.skip('[crbug.com/392557418]: generates call stacks', async function() {
     const {data, insights} = await processTrace(this, 'forced-reflow.json.gz');
     assert.strictEqual(insights.size, 1);
     const insight =