public void All_should_return_all_entities_of_given_type()
{
var testClass = new TestClass {
Id = 1, Name = "Test name", Description = "Test Description"
};
var testClass2 = new TestClass {
Id = 2, Name = "Test name 2", Description = "Test Description 2"
};
_fileStorage.Store(testClass);
_fileStorage.Store(testClass2);
var testClasses = _fileStorage.All <TestClass>();
testClasses.ShouldAllBeEquivalentTo(new [] { testClass, testClass2 });
}