Merge "Improve CommunalBackupHelperTest stability" into main

import java.io.File

import java.io.FileInputStream

import java.io.FileOutputStream

import org.junit.After

import org.junit.Before

import org.junit.Rule

import org.junit.Test

            Room.inMemoryDatabaseBuilder(context, CommunalDatabase::class.java)

                .allowMainThreadQueries()

                .build()

        onTeardown { database.close() }

        CommunalDatabase.setInstance(database)

        dao = database.communalWidgetDao()

        backupUtils = CommunalBackupUtils(context)

        backupDataFile = File(context.cacheDir, "backup_data_file")

        onTeardown { backupDataFile.delete() }

        underTest = CommunalBackupHelper(UserHandle.SYSTEM, backupUtils)

    }

    @After

    fun teardown() {

        backupDataFile.delete()

        database.close()

    }

    @Test

    @EnableFlags(Flags.FLAG_COMMUNAL_HUB)

    fun backupAndRestoreCommunalHub() {