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: accountcmd_test.go
    path of file: ./repos/go-ethereum/cmd/geth
    
    the code of the file until where you have to start completion: // Copyright 2016 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum
    
func TestUnlockFlag(t *testing.T) {
	t.Parallel()
	geth := runMinimalGeth(t, "--port", "0", "--ipcdisable", "--datadir", tmpDatadirWithKeystore(t),
		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a", "console", "--exec", "loadScript('testdata/empty.js')")
	geth.Expect(`
Unlocking account f466859ead1932d743d622cb74fc058882e8648a | Attempt 1/3
!! Unsupported terminal, password will be echoed.
Password: {{.InputLine "foobar"}}
undefined
`)
	geth.ExpectExit()

	wantMessages := []string{
		"Unlocked account",
		"=0xf466859eAD1932D743d622CB74FC058882E8648A",
	}
	for _, m := range wantMessages {
		if !strings.Contains(geth.StderrText(), m) {
			t.Errorf("stderr text does not contain %q", m)
		}
	}
}