Fix a flaky test by not relying on flash notice content
What does this MR do?
Flash notices are ephemeral and shouldn't be relied on.
Instead, we wait for all current requests to be done.
Related to #330689 (closed).
Edited by Rémy Coutable
Flash notices are ephemeral and shouldn't be relied on.
Instead, we wait for all current requests to be done.
Related to #330689 (closed).