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test(types): use @ts-expect-error in tests where we check for errors #3794

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merged 1 commit into from
Sep 9, 2020

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JoelEinbinder
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A bunch of our tests purposely call functions with the wrong parameters in order to check that they fail properly. We were casting the parameters to any to avoid typescript complaining. But we actually want typescript to complain, to ensure that our types are working. @ts-expect-error checks that a typescript error occurs on the following line.

@JoelEinbinder JoelEinbinder merged commit 3c69f2a into microsoft:master Sep 9, 2020
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