lexer test cases group 6

See merge request !7

Add ident/lit prefixes to .out files

See merge request !6

Fixes error from !5

Group1tests

See merge request !4

Remove invalid invalid tests

Closes #1

See merge request !5

Group 3 lexer test cases

See merge request IPDSnelting/mjtest-tests!3

Added a weird comment test case

fixed Eratosthenes test case

Refactoring of test names

added empty test case

added a lexer test case that is only comments

fixed typo in test case

Added unclosed comment test

Added a tasty pi test

Removed redundant tests

Added weird operators test case

added another test case

Lexer Test Cases (Group 2)

See merge request IPDSnelting/mjtest-tests!2

Lexer tests - group 5

See merge request IPDSnelting/mjtest-tests!1