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servo/tests
bors-servo 369983211d Auto merge of #22170 - CYBAI:fix-promiserejectevent, r=jdm
Fix PromiseRejectionEvent constructor when promise argument is None

Due to lack of `required` of the `promise` argument in webidl, we need to handle this so that it can be correct behavior. And then the constructor test will be passed!

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] There are tests for these changes

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2018-11-16 12:27:08 -05:00
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2018-08-24 12:22:19 -07:00