Revert "Test that makes a 'lazy load' after the HttpSession's deserialization  (<see cref="SerializeConversationTestModule"/> serializes/deserializes it for this test)."

This reverts commit 8ab540cd76ad24118c1e5696ac3190cc86ecc38a.
Test that makes a 'lazy load' after the HttpSession's deserialization 
(<see cref="SerializeConversationTestModule"/>
serializes/deserializes it for this test).
Revert "Test that makes a 'lazy load' after the HttpSession's deserialization  (<see cref="SerializeConversationTestModule"/> serializes/deserializes it for this test)."

This reverts commit 0f58399a36b477615799f9138bfd8de186629f1c.