| bytes | Package bytes implements functions for the manipulation of byte slices. |
| flag | Package flag implements command-line flag parsing. |
| github.com/stretchr/testify/require | Package require implements the same assertions as the `assert` package but stops test execution when a test fails. |
| k8s.io/kubernetes/test/e2e/framework | Package framework contains provider-independent helper code for building and running E2E tests with Ginkgo. |
| testing | Package testing provides support for automated testing of Go packages. |