You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: cmd_keys_test.go
    path of file: ./repos/gitea/tests/integration
    
    the code of the file until where you have to start completion: // Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package integration

import (
	"bytes"
	"net/url"
	"testing"

	"code.gitea.io/gitea/cmd"
	"code.gitea.io/gitea/modules/setting"
	"code.gitea.io/gitea/modules/util"

	"github.com/stretchr/testify/assert"
	"github.com/urfave/cli/v2"
)

func Test_CmdKeys(t *testing.T) {
	onGiteaRun(t, func(*testing.T, *url.URL) {
		tests := []struct {
			name           string
			args           []string
			wantErr        bool
			expectedOutput string
		}{
			{"test_empty_1", []string{"keys", "--username=git", "--type=test", "--content=test"}, true, ""},
			{"test_empty_2", []string{"keys", "-e", "git", "-u", "git", "-t", "test", "-k", "test"}, true, ""},
			{
				"with_key",
				[]string{"keys", "-e", "git", "-u", "git", "-t", "ssh-rsa", "-k", "AAAAB3NzaC1yc2EAAAADAQABAAABgQDWVj0fQ5N8wNc0LVNA41wDLYJ89ZIbejrPfg/avyj3u/ZohAKsQclxG4Ju0VirduBFF9EOiuxoiFBRr3xRpqzpsZtnMPkWVWb+akZwBFAx8p+jKdy4QXR/SZqbVobrGwip2UjSrri1CtBxpJikojRIZfCnDaMOyd9Jp6KkujvniFzUWdLmCPxUE9zhTaPu0JsEP7MW0m6yx7
    
func Test_CmdKeys(t *testing.T) {
	onGiteaRun(t, func(*testing.T, *url.URL) {
		tests := []struct {
			name           string
			args           []string
			wantErr        bool
			expectedOutput string
		}{
			{"test_empty_1", []string{"keys", "--username=git", "--type=test", "--content=test"}, true, ""},
			{"test_empty_2", []string{"keys", "-e", "git", "-u", "git", "-t", "test", "-k", "test"}, true, ""},
			{
				"with_key",
				[]string{"keys", "-e", "git", "-u", "git", "-t", "ssh-rsa", "-k", "AAAAB3NzaC1yc2EAAAADAQABAAABgQDWVj0fQ5N8wNc0LVNA41wDLYJ89ZIbejrPfg/avyj3u/ZohAKsQclxG4Ju0VirduBFF9EOiuxoiFBRr3xRpqzpsZtnMPkWVWb+akZwBFAx8p+jKdy4QXR/SZqbVobrGwip2UjSrri1CtBxpJikojRIZfCnDaMOyd9Jp6KkujvniFzUWdLmCPxUE9zhTaPu0JsEP7MW0m6yx7ZUhHyfss+NtqmFTaDO+QlMR7L2QkDliN2Jl3Xa3PhuWnKJfWhdAq1Cw4oraKUOmIgXLkuiuxVQ6mD3AiFupkmfqdHq6h+uHHmyQqv3gU+/sD8GbGAhf6ftqhTsXjnv1Aj4R8NoDf9BS6KRkzkeun5UisSzgtfQzjOMEiJtmrep2ZQrMGahrXa+q4VKr0aKJfm+KlLfwm/JztfsBcqQWNcTURiCFqz+fgZw0Ey/de0eyMzldYTdXXNRYCKjs9bvBK+6SSXRM7AhftfQ0ZuoW5+gtinPrnmoOaSCEJbAiEiTO/BzOHgowiM="},
				false,
				"# gitea public key\ncommand=\"" + setting.AppPath + " --config=" + util.ShellEscape(setting.CustomConf) + " serv key-1\",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty,no-user-rc,restrict ssh-rsa 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 user2@localhost\n",
			},
			{"invalid", []string{"keys", "--not-a-flag=git"}, true, "Incorrect Usage: flag provided but not defined: -not-a-flag\n\n"},
		}
		for _, tt := range tests {
			t.Run(tt.name, func(t *testing.T) {
				out := new(bytes.Buffer)
				app := cli.NewApp()
				app.Writer = out
				app.Commands = []*cli.Command{cmd.CmdKeys}
				cmd.CmdKeys.HideHelp = true
				err := app.Run(append([]string{"prog"}, tt.args...))
				if tt.wantErr {
					assert.Error(t, err)
				} else {
					assert.NoError(t, err)
				}
				assert.Equal(t, tt.expectedOutput, out.String())
			})
		}
	})
}