public async Task CheckingExistence_WillReturnFalse_WhenNotExists(string id)
        {
            // Arrange
            sut = new BrilligRepository(_db);

            // Act
            bool result = await sut.Exists(id);

            // Assert
            Assert.False(result);
        }
        public async Task CheckingExistenceOfMultiples_WillReturnFalse_WhenAnyNotExist(string id1, string id2, string id3)
        {
            // Arrange


            sut = new BrilligRepository(_db);

            // Act
            bool result = await sut.Exists(id1, id2, id3);

            // Assert
            Assert.False(result);
        }
        public async Task CheckingExistenceOfMultiples_WillReturnTrue_WhenAllExist(string id1, string id2, string id3)
        {
            // Arrange
            await _db.Database.EnsureDeletedAsync();

            await _db.Database.EnsureCreatedAsync();

            sut = new BrilligRepository(_db);

            // Act
            bool result = await sut.Exists(id1, id2, id3);

            // Assert
            Assert.True(result);
        }