[PE] When a test fails and we dump all events use .metadata.creationTimestamp instead of .lastTimestamp which can be null in some cases (#157)
[PE] When a test fails and we dump all events use .metadata.creationTimestamp instead of .lastTimestamp which can be null in some cases (#157)

Change-Id: Ieee3f2e5536951a6f116a164664274cbabdec3cb

Co-authored-by: Konstantin Chernyshev <bda90217553ed041164948f37213a1e893fba228@google.com>
GoogleCloudPlatform/elcarro-oracle-operator,GoogleCloudPlatform/elcarro-oracle-operator