add failing B tests
add failing B tests

✖ bytes: 2 -> 2 B
    ------------------
      operator: equal
      expected: '2 B'
      actual:   '2.B undefined'
      at: Test.<anonymous>
(/Users/feross/code/prettier-bytes/test/index.js:24:12)

    ✖ bytes: 25 -> 25 B
    --------------------
      operator: equal
      expected: '25 B'
      actual:   '25.B undefined'
      at: Test.<anonymous>
(/Users/feross/code/prettier-bytes/test/index.js:24:12)

    ✖ bytes: 235 -> 235 B
    ----------------------
      operator: equal
      expected: '235 B'
      actual:   '235.B undefined'
      at: Test.<anonymous>
(/Users/feross/code/prettier-bytes/test/index.js:24:12)

Flet/prettier-bytes