public async void LunchRepository_TeamNameExistsAsync_ReturnsFalseWhenTeamDoesNotExist()
        {
            // arrange
            LunchContext    context = GetContext();
            LunchRepository target  = new LunchRepository(context);
            const string    Name    = "bob's team";

            // act
            bool result = await target.TeamNameExistsAsync(Name);

            // assert
            Assert.False(result);
        }
        public async void LunchRepository_TeamNameExistsAsync_ReturnsTrueWhenTeamDoesExist()
        {
            // arrange
            LunchContext    context = GetContext();
            LunchRepository target  = new LunchRepository(context);
            const string    Name    = "bob's team";

            context.Teams.Add(new TeamEntity
            {
                Name = Name
            });
            context.SaveChanges();

            // act
            bool result = await target.TeamNameExistsAsync(Name);

            // assert
            Assert.True(result);
        }