Fix jest crashing when potentialError is null#7049

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SimenB merged 2 commits intojestjs:masterfrom natealcedo:master

Sep 26, 2018

+40

Commits on Sep 26, 2018

Fix crash when test returns a Promise rejected with null
Alcedo Nathaniel De Guzman Jr
committed
Update changelog
Alcedo Nathaniel De Guzman Jr
committed