flaky tests in k8s.io/kubernetes/vendor/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions: validation

[neolit123]

Which jobs are flaking?

https://testgrid.k8s.io/presubmits-kubernetes-blocking#pull-kubernetes-unit

Which tests are flaking?

https://prow.k8s.io/view/gs/kubernetes-jenkins/pr-logs/pull/121034/pull-kubernetes-unit/1720520061770272768

{Failed;Failed;Failed;Failed;Failed;  === RUN   TestValidateCustomResourceDefinitionValidation/forbid_transition_rule_on_element_of_list_defaulting_to_type_atomic_when_optionalOldSelf_is_set
    validation_test.go:9832: unexpected error: spec.validation.openAPIV3Schema.properties[value].items.x-kubernetes-validations[0].optionalOldSelf: Invalid value: "self == oldSelf": may not be set if oldSelf is not used in rule
    --- FAIL: TestValidateCustomResourceDefinitionValidation/forbid_transition_rule_on_element_of_list_defaulting_to_type_atomic_when_optionalOldSelf_is_set (0.00s)
;=== RUN   TestValidateCustomResourceDefinitionValidation/forbid_transition_rule_on_element_of_list_defaulting_to_type_atomic_when_optionalOldSelf_is_set#01
    validation_test.go:9832: unexpected error: spec.validation.openAPIV3Schema.properties[value].items.x-kubernetes-validations[0].optionalOldSelf: Invalid value: "self == oldSelf": may not be set if oldSelf is not used in rule
    --- FAIL: TestValidateCustomResourceDefinitionValidation/forbid_transition_rule_on_element_of_list_defaulting_to_type_atomic_when_optionalOldSelf_is_set#01 (0.00s)
;=== RUN   TestValidateCustomResourceDefinitionValidation/forbid_transition_rule_on_element_of_list_of_type_set_when_optionalOldSelf_is_set
    validation_test.go:9832: unexpected error: spec.validation.openAPIV3Schema.properties[value].items.x-kubernetes-validations[0].optionalOldSelf: Invalid value: "self == oldSelf": may not be set if oldSelf is not used in rule
    --- FAIL: TestValidateCustomResourceDefinitionValidation/forbid_transition_rule_on_element_of_list_of_type_set_when_optionalOldSelf_is_set (0.00s)
;=== RUN   TestValidateCustomResourceDefinitionValidation/forbid_transition_rule_on_element_of_map_of_unrecognized_type_when_optionalOldSelf_is_set
    validation_test.go:9832: unexpected error: spec.validation.openAPIV3Schema.properties[value].properties[subfield].x-kubernetes-validations[0].optionalOldSelf: Invalid value: "self == oldSelf": may not be set if oldSelf is not used in rule
    --- FAIL: TestValidateCustomResourceDefinitionValidation/forbid_transition_rule_on_element_of_map_of_unrecognized_type_when_optionalOldSelf_is_set (0.00s)
;=== RUN   TestValidateCustomResourceDefinitionValidation
--- FAIL: TestValidateCustomResourceDefinitionValidation (0.39s)
;}

Since when has it been flaking?

unknown

Testgrid link

https://testgrid.k8s.io/presubmits-kubernetes-blocking#pull-kubernetes-unit

Reason for failure (if possible)

No response

Anything else we need to know?

No response

Relevant SIG(s)

/sig api-machinery

[neolit123]

not a flake?
only happened during work on #121034

[alexzielenski]

/triage accepted