5. In order for user accounts to be secured, many websites ensures users to have a mix of different conditions while creating password. It includes techniques like minimum number of character, using a mix of characters and numbers and apllicability of capital and small letters. Following the above rules, an example of a strong password would be iReX@2020. The programmer designed a function called validate_password_conditions which takes the created password as a parameter. The function can return any ONE of the following messages on execution indicating the missed condition. Only one message can be returned. A) NOT_ENOUGH_CHARACTERS (if less than 8 characters in the password) B) MIX_OF_CHARACTERS_NOT_USED (if no special character was used in the password) C) BOTH_UPPERCASE_AND_LOWERCASE_NEEDED (if a mix of upper case and lower case letters not used) D) OK Suggest a suitable test case design method for testing the given method. Explain the choice of test case design method made, along with any assumptions made about the system. The method needs to be able to handle any type of input and part of testing should make sure that it does not crash. (25 marks)