Example of a efficient test

PersistenceTest.cs

using System;
using System.Threading.Tasks;
using Xunit;
using Bogus;
using AutoBogus;
using FluentAssertions;
using Squadron;

namespace Tests
{
    public class PersistenceTest : IClassFixture<MongoResource>
    {
        private readonly Repository _repository;
        private readonly IAutoFaker _fuzzer = AutoFaker.Create();

        public PersistenceTest(MongoResource mongoResource)
        {
            Randomizer.Seed = new Random(42);
            _repository = new Repository(mongoResource.CreateDatabase());
        }

        [Fact]
        public async Task Add_Retrieve_Equivalent()
        {
            // Arrange
            DomainModel model = _fuzzer.Generate<DomainModel>();
            await _repository.AddAsync(model);

            // Act
            DomainModel result = await _repository.GetAsync(model.Id);

            // Assert
            result.Should().BeEquivalentTo(model);
        }
    } 
}