public async Task GetTotalRegisteredCharactersCount_Should_Return_Proper_Count()
        {
            using var context = await this.GetDatabase();

            var mapper           = this.GetMapper();
            var characterService = new CharacterService(context, mapper);
            var raidService      = new RaidService(context, characterService, mapper);
            var guildService     = new GuildService(null, context, raidService, characterService, mapper);

            var expected = 3;
            var actual   = guildService.GetTotalRegisteredCharactersCount();

            Assert.Equal(expected, actual);
        }