(Feel free to update this bug's summary to be more specific.)
Component Readiness has found a potential regression in the following test:

install should succeed: infrastructure

Significant regression detected.
Fishers Exact probability of a regression: 100.00%.
Test pass rate dropped from 100.00% to 90.96%.

Sample (being evaluated) Release: 4.21
Start Time: 2025-11-17T00:00:00Z
End Time: 2025-11-24T16:00:00Z
Success Rate: 90.96%
Successes: 151
Failures: 15
Flakes: 0
Base (historical) Release: 4.19
Start Time: 2025-05-18T00:00:00Z
End Time: 2025-06-17T00:00:00Z
Success Rate: 100.00%
Successes: 910
Failures: 0
Flakes: 0

View the test details report for additional context.

Install fails with:

```
level=error msg=failed to fetch Cluster: failed to generate asset "Cluster": failed to create cluster: failed during pre-provisioning: failed to create IAM roles: failed to create IAM worker role: failed to wait for worker role to exist: expected err to be of type smithy.APIError, got operation error IAM: GetRole, request canceled, context deadline exceeded
```

Filed by: padillon@redhat.com