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: secretkeys_test.go
    path of file: ./repos/client/go/engine
    
    the code of the file until where you have to start completion: // Copyright 2015 Keybase, Inc. All rights reserved. Use of
// this source code is governed by the included BSD license.

package engine

import (
	"testing"

	"github.com/keybase/client/go/kbcrypto"
	"github.com/keybase/client/go/libkb"
)

func TestSecretKeys(t *testing.T) {
	tc := SetupEngineTest(t, "secretkeys")
	defer tc.Cleanup()

	u := CreateAndSignupFakeUser(tc, "sk")

	uis := libkb.UIs{
		LogUI:    tc.G.UI.GetLogUI(),
		SecretUI: u.NewSecretUI(),
	}

	// Get the secret keys.
	e := NewSecretKeysEngine(tc.G)
	m := NewMetaContextForTest(tc).WithUIs(uis)
	err := RunEngine2(m, e)
	if
    
func TestSecretKeys(t *testing.T) {
	tc := SetupEngineTest(t, "secretkeys")
	defer tc.Cleanup()

	u := CreateAndSignupFakeUser(tc, "sk")

	uis := libkb.UIs{
		LogUI:    tc.G.UI.GetLogUI(),
		SecretUI: u.NewSecretUI(),
	}

	// Get the secret keys.
	e := NewSecretKeysEngine(tc.G)
	m := NewMetaContextForTest(tc).WithUIs(uis)
	err := RunEngine2(m, e)
	if err != nil {
		t.Fatal(err)
	}
	signing := e.Result().Signing

	// Now we want to check that the keys we got actually belong to the user.
	// Below we just do this check with the signing key, since it's easier to
	// derive the public key.

	// Build the signing keypair. To do this, we exploit the fact that a NaCl
	// public signing key is the last 32 bytes of the private signing key.
	var public kbcrypto.NaclSigningKeyPublic
	copy(public[:], signing[32:])
	pair := libkb.NaclSigningKeyPair{
		Public: public,
	}

	// Check the signing keypair's KID is in the user's KeyFamily.
	testUser, err := libkb.LoadUser(libkb.NewLoadUserArg(tc.G).WithName(u.Username))
	if err != nil {
		t.Fatal(err)
	}
	if found := testUser.GetKeyFamily().AllKIDs[pair.GetKID()]; !found {
		t.Fatalf("Failed to find %s in the user's key family.", pair.GetKID().String())
	}
}