gistfile1.txt

Test Results:
String.prototype.toAlternatingCase
should work for fixed tests (provided in the description)
✘ Expected: 'HELLO WORLD', instead got: ['H', 'E', 'L', 'L', 'O', ' ', 'W', 'O', 'R', 'L', 'D']
✘ Expected: 'hello world', instead got: ['h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd']
✘ Expected: 'HELLO world', instead got: ['H', 'E', 'L', 'L', 'O', ' ', 'w', 'o', 'r', 'l', 'd']
✘ Expected: 'hEllO wOrld', instead got: ['h', 'E', 'l', 'l', 'O', ' ', 'w', 'O', 'r', 'l', 'd']
✘ Expected: '12345', instead got: ['1', '2', '3', '4', '5']
✘ Expected: '1A2B3C4D5E', instead got: ['1', 'A', '2', 'B', '3', 'C', '4', 'D', '5', 'E']
✘ Expected: 'sTRING.PROTOTYPE.TOaLTERNATINGcASE', instead got: ['s', 'T', 'R', 'I', 'N', 'G', '.', 'P', 'R', 'O', 'T', 'O', 'T', 'Y', 'P', 'E', '.', 'T', 'O', 'a', 'L', 'T', 'E', 'R', 'N', 'A', 'T', 'I', 'N', 'G', 'c', 'A', 'S', 'E']
TypeError: "Hello World".toAlternatingCase(...).toAlternatingCase is not a function
   at _
    at begin
    at it
    at _
    at /runner/frameworks/javascript/cw-2.js:179:21
    at Promise._execute
    at Promise._resolveFromExecutor
    at new Promise
    at describe
            at Object.handleError
        at ContextifyScript.Script.runInThisContext
    at Object.exports.runInThisContext
    at Object.<anonymous>
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