public void GetAllRepositoriesTest()
        {
            const string connectionString = @"C:\Temp\CrateStorage";
            var dc = new FileContext(connectionString, "Test");

            var p = new Person
            {
                Name = "John Doe",
                Age = 24,
                Email = "*****@*****.**"
            };

            var repository = new Repository("ConsoleApp");
            repository.Add(p);
            dc.SubmitChanges(repository);

            var repository1 = new Repository("Crate");
            repository.Add(p);
            dc.SubmitChanges(repository1);

            var repositories = dc.GetRepositories();

            Assert.AreNotEqual(0, repositories.Count());
        }