unit test to verify that a repository loads an entity from the database correctly
public class SomeCompositionRootEntityRepository :
    IRepository<SomeCompositionRoot>
{
    public RecipeRepository(IDbConnection connection) { ... }
    public void Add(SomeCompositionRootEntity item) { ... }
    public bool Remove(SomeCompositionRootEntity item) { ... }
    public void Update(SomeCompositionRootEntity item) { ... }
    public SomeCompositionRootEntity GetById(object id) { ... }
    public bool Contains(object id) { ... }
}

[TestMethod]
    public void ShouldMapBlahBlahCorrectly()
    {
        CheckBasicMapping<BlahBlah>();
    }

    private T CheckBasicMapping<T>() where T : class
    {
        var target = _testContext.GetTable<T>().FirstOrDefault();
        target.ShouldNotBeNull();
        return target;
    }