Fix flaky controller test for versioned ConfigMaps #3564
Merged
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#3560 wasn't enough. I reverted those changes, as they didn't really help and just made the code more complex for no benefit.
Kubernetes creation timestamps only have a seconds-level precision. The ConfigMap versioning feature for collectors deleted the oldest ConfigMaps. For the test to work correctly, we need to wait at least 1 second between CR changes.