Nikolai Romanov | oct2025-2 | Structuring and testing data | Sprint 3 | 02 Complete Sprint 3 Coursework - #3

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  - refactored the logic of checking that a password has at least 5 characters;
  - updated test notation to check a password minimal length.

  - implemented the logic of checking that a password has at least 1 english uppercase letter;
  - updated the test value checking a password minimal length.
  - added the presence of english uppercase letter checking test.

  - implemented the logic of checking that a password has at least 1 english lowercase letter;
  - updated the test value checking a password minimal length and presence of uppercase letter;
  - added the presence of english lowercase letter checking test;
  - fixing some variable names.

  - implemented the logic of checking that a password has at least 1 digit;
  - updated the test values checking a password minimal length and presence of uppercase and lowercase letters;
  - added the presence of digit checking test;
  - fixing some variable names.

  - implemented the logic of checking that a password has at least 1 non-alphanumeric symbo ("!", "#", "$", "%", ".", "*", "&");
  - updated the test values checking a password minimal length and presence of uppercase, lowercase letters and digits;
  - added the presence of non-alphanumerical symbols test;
  - fixed some indents.

  - added the second parameter for the function validatePassword -- array of previously used passwords;
  - implemented the logic of checking that a password is not contained in the previous passwords array;
  - updated the tests checking a password minimal length and presence of uppercase, lowercase letters and digits;
  - added the test cheking the previous passwords array contains the given password.

  - added file card-validater.js for function validateCard(cardNumber) and function is exported;
  - added file card-validator.test.js for tests;

  - implemented checking the length of the card number logic;
  - added the test checks the card number length;
  - fix the typo in the function name.

  - implemented checking the card number contains non-digit characters logic;
  - added the test checks the card number contains non-digit characters;

  - implemented checking the card number digit sum is not less tah 16;
  - added the test checks the card number digits sum is not less than 16;
  - fixed logic for the check card number contains only digits;
  - updated testing card nuber values.

  - implemented checking the card number ends in an even digit;
  - added the test checks the card number ends in an even digit;
  - updated testing card number values.

  - fixed checking the card number ends in an even digit;
  - added the test checks the card number ends in an even digit;

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