nfs := opts.Flags
	verflag.AddFlags(nfs.FlagSet("global"))
	globalflag.AddGlobalFlags(nfs.FlagSet("global"), cmd.Name(), logs.SkipLoggingConfigurationFlags())
	fs := cmd.Flags()
	for _, f := range nfs.FlagSets {
		fs.AddFlagSet(f)
	}

	cols, _, _ := term.TerminalSize(cmd.OutOrStdout())
	cliflag.SetUsageAndHelpFunc(cmd, *nfs, cols)

	if err := cmd.MarkFlagFilename("config", "yaml", "yml", "json"); err != nil {

		if result.TearDownFn == nil {
			tearDown()
		}
	}()

	fs := pflag.NewFlagSet("test", pflag.PanicOnError)

	s := options.NewServerRunOptions()
	for _, f := range s.Flags().FlagSets {
		fs.AddFlagSet(f)
	}

	s.SecureServing.Listener, s.SecureServing.BindPort, err = createLocalhostListenerOnFreePort()
	if err != nil {
		return result, fmt.Errorf("failed to create listener: %v", err)
	}

			},
		},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			flagset := pflag.NewFlagSet("flags-for-gencsr", pflag.ContinueOnError)
			config := newGenCSRConfig()
			config.addFlagSet(flagset)
			require.NoError(t, flagset.Parse(test.flags))

			err := config.load()
			if test.expectErr {
				assert.Error(t, err)
			}
			if !test.expectErr && assert.NoError(t, err) {

		// as silently deprecating and removing (even hidden) things is unkind to people who use them.
		fs.VisitAll(func(f *pflag.Flag) {
			if len(f.Deprecated) > 0 {
				f.Hidden = false
			}
		})
		mainfs.AddFlagSet(fs)
	}()

	f.ContainerRuntimeOptions.AddFlags(fs)
	f.addOSFlags(fs)

	verflag.AddFlags(namedFlagSets.FlagSet("global"))
	globalflag.AddGlobalFlags(namedFlagSets.FlagSet("global"), cmd.Name(), logs.SkipLoggingConfigurationFlags())
	for _, f := range namedFlagSets.FlagSets {
		fs.AddFlagSet(f)
	}

	cols, _, _ := term.TerminalSize(cmd.OutOrStdout())
	cliflag.SetUsageAndHelpFunc(cmd, namedFlagSets, cols)

	return cmd
}