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: unprepare_test.go
    path of file: ./repos/gotosocial/internal/timeline
    
    the code of the file until where you have to start completion: // GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package timeline_test

import (
	"context"
	"testing"

	"github.com/stretchr/testify/suite"

	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
	"github.com/superseriousbusiness/gotosocial/internal/id"
)

type UnprepareTestSuite struct {
	TimelineStandardTestSuite
}

func (suite *UnprepareTestSuite) TestUnprepareFromFave() {
	var (
		ctx         = context.Background()
		testAccount = suite.testAccounts["local_account_1"]
		maxID       = ""
		sinceID     = ""
		minID       = ""
		limit     
    
func (suite *UnprepareTestSuite) TestUnprepareFromFave() {
	var (
		ctx         = context.Background()
		testAccount = suite.testAccounts["local_account_1"]
		maxID       = ""
		sinceID     = ""
		minID       = ""
		limit       = 1
		local       = false
	)

	suite.fillTimeline(testAccount.ID)

	// Get first status from the top (no params).
	statuses, err := suite.state.Timelines.Home.GetTimeline(
		ctx,
		testAccount.ID,
		maxID,
		sinceID,
		minID,
		limit,
		local,
	)
	if err != nil {
		suite.FailNow(err.Error())
	}

	if len(statuses) != 1 {
		suite.FailNow("couldn't get top status")
	}

	targetStatus := statuses[0].(*apimodel.Status)

	// Check fave stats of the top status.
	suite.Equal(0, targetStatus.FavouritesCount)
	suite.False(targetStatus.Favourited)

	// Fave the top status from testAccount.
	if err := suite.state.DB.PutStatusFave(ctx, &gtsmodel.StatusFave{
		ID:              id.NewULID(),
		AccountID:       testAccount.ID,
		TargetAccountID: targetStatus.Account.ID,
		StatusID:        targetStatus.ID,
		URI:             "https://example.org/some/activity/path",
	}); err != nil {
		suite.FailNow(err.Error())
	}

	// Repeat call to get first status from the top.
	// Get first status from the top (no params).
	statuses, err = suite.state.Timelines.Home.GetTimeline(
		ctx,
		testAccount.ID,
		maxID,
		sinceID,
		minID,
		limit,
		local,
	)
	if err != nil {
		suite.FailNow(err.Error())
	}

	if len(statuses) != 1 {
		suite.FailNow("couldn't get top status")
	}

	targetStatus = statuses[0].(*apimodel.Status)

	// We haven't yet uncached/unprepared the status,
	// we've only inserted the fave, so counts should
	// stay the same...
	suite.Equal(0, targetStatus.FavouritesCount)
	suite.False(targetStatus.Favourited)

	// Now call unprepare.
	suite.state.Timelines.Home.UnprepareItemFromAllTimelines(ctx, targetStatus.ID)

	// Now a Get should trigger a fresh prepare of the
	// target status, and the counts should be updated.
	// Repeat call to get first status from the top.
	// Get first status from the top (no params).
	statuses, err = suite.state.Timelines.Home.GetTimeline(
		ctx,
		testAccount.ID,
		maxID,
		sinceID,
		minID,
		limit,
		local,
	)
	if err != nil {
		suite.FailNow(err.Error())
	}

	if len(statuses) != 1 {
		suite.FailNow("couldn't get top status")
	}

	targetStatus = statuses[0].(*apimodel.Status)

	suite.Equal(1, targetStatus.FavouritesCount)
	suite.True(targetStatus.Favourited)
}