In contrast to ginkgo.AfterEach, ginkgo.DeferCleanup runs the callback in
first-in-last-out order. Using it makes the following test code work as
expected:
f := framework.NewDefaultFramework("some test")
ginkgo.AfterEach(func() {
// do something with f.ClientSet
})
Previously, f.ClientSet was already set to nil by the framework's cleanup code.
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