fix problems with the helper variables and always run full test

    ### analyse test output

    # some helper variables

    - non_be_flag=$(echo $CI_MERGE_REQUEST_TITLE | grep -c --ignore-case "\[non[ -]*be\]")

    - run_errors=$(cat test_output.txt | grep -c "Run errors were encountered for the following conditions:")

    - bitexact=$(cat test_output.txt | grep -c "All [0-9]* tests are bitexact")

    - exit_code_non_be=123

    - exit_code_fail=1

    # some helper variables - "|| true" to prevent failures from grep not finding anything

    - non_be_flag=$(echo $CI_MERGE_REQUEST_TITLE | grep -c --ignore-case "\[non[ -]*be\]") || true

    - run_errors=$(cat test_output.txt | grep -c "test conditions had run errors") || true

    - bitexact=$(cat test_output.txt | grep -c "All [0-9]* tests are bitexact") || true

    - EXIT_CODE_NON_BE=123

    - EXIT_CODE_FAIL=1

    - selftest_exit_code=0

    # check for crashes during the test, if any happened, fail the test

    - if $run_errors ; then echo "Run errors in self_test.py"; exit $exit_code_fail; fi

    - if [ $run_errors != 0 ] ; then echo "Run errors in self_test.py"; exit $EXIT_CODE_FAIL; fi

    # check for non bitexact output and fail test if the merge request does not have a non-BE tag

    - if ! $bitexact && ! $non_be_flag ; then echo "Non-bitexact cases without non-BE tag encountered"; exit $exit_code_fail; fi

    - if ! $bitexact ; then echo "Non-bitexact cases with non-BE tag encountered"; exit $exit_code_non_be; fi

    # check for non bitexact output and store exit code to also always run the SBA pytest

    - if [ $bitexact == 0 ] && [ $non_be_flag == 0 ] ; then echo "Non-bitexact cases without non-BE tag encountered"; selftest_exit_code=$EXIT_CODE_FAIL; fi

    - if [ $bitexact == 0 ] ; then echo "Non-bitexact cases with non-BE tag encountered"; selftest_exit_code=$EXIT_CODE_NON_BE; fi

    ### run SBA pytest

    - exit_code=0

    - python3 ./scripts/ivas_pytests/self_test_b.py --encref IVAS_cod_ref --decref IVAS_dec_ref --encdut IVAS_cod_test --decdut IVAS_dec_test || exit_code=$?

    - if [ $exit_code -eq 1 ] && ! $non_be_flag; then echo "pytest run had failures and non-BE flag not present"; exit $exit_code_fail; fi

    - if [ $exit_code -eq 1 ]; then echo "pytest run had failures and non-BE flag present"; exit $exit_code_non_be; fi

    - if [ $exit_code -ne 0 ]; then echo "pytest run had errors"; exit $exit_code_fail; fi;

    - if [ $exit_code -eq 1 ] && [ $non_be_flag == 0 ]; then echo "pytest run had failures and non-BE flag not present"; exit $EXIT_CODE_FAIL; fi

    - if [ $exit_code -eq 1 ]; then echo "pytest run had failures and non-BE flag present"; exit $EXIT_CODE_NON_BE; fi

    - if [ $exit_code -ne 0 ]; then echo "pytest run had errors"; exit $EXIT_CODE_FAIL; fi;

    # return exit code from selftest if everything went well with the pytest run

    - exit $selftest_exit_code

  allow_failure:

    exit_codes:

      - 123