Kata 76 - Promise Creation - doesn't wrok in TDDbin about katas HOT 5 OPEN

Same here

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For me it works on Chrome if Transpile to ES5 is turned off. Would like to know the reason though.

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Verified on my end.

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Have another problem:

describe('extending a Promise', function() {
it('using class X extends Promise{} is possible', function(done) {
class MyPromise extends Promise {}
const promise = new MyPromise(resolve => resolve());
promise
.then(() => done())
.catch(e => done(new Error('Expected to resolve, but failed with: ' + e)));
});
it('must call super() in the constructor if it wants to inherit/specialize the behavior', function() {
class ResolvingPromise extends Promise {
constructor() {
super()
}
}
return new ResolvingPromise(resolve => resolve());
});
});

Returns:
Method Promise.prototype.then called on incompatible receiver #
Method Promise.prototype.then called on incompatible receiver #
for first and second tasks relatively

Similar problem(not mine, just found):
https://stackoverflow.com/questions/40404028/working-through-es6-katas-extending-promises

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I was struggling to understand this issue. I played around with the kata, but I dont know what is meant that it doesnt work. If there is still interest, I would be keen on learning what the problem was (or still is).

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