[ticket/12334] Add get_profile_value_raw unit test for type_string

PHPBB3-12334
[ticket/12334] Add get_profile_value_raw unit tests for type_dropdown

PHPBB3-12334
[ticket/12334] Add get_profile_value_raw unit test for type_date

PHPBB3-12334
[ticket/12334] Add get_profile_value_raw unit test for type_bool

PHPBB3-12334