Provide plugins to pretty-format in jest-each

[billyjanitsch]

🚀 Feature Proposal

Provide a default set of plugins to jest-each's use of pretty-format.

Motivation

jest-snapshot provides a default set of plugins to pretty-format, which are used during formatting of expect().toMatchSnapshot().

jest-each also uses pretty-format to format programmatic test titles (added in #6357), but does not provide any plugins to pretty-format. So, for example, something like this doesn't work:

test.each([
  <Button />,
  <Button active />,
])('renders %p', element => {
  // ... test goes here
})

Because pretty-format isn't invoked with the ReactElement plugin.

It would be nice if it was invoked with the same set of default plugins as in jest-snapshot.

Example

See above.

Pitch

Why does this feature belong in the Jest core platform?

For consistency between jest-snapshot and jest-each.

[tonyhallett]

+1 Would like to be able to point to a property on my table row and use it for the test description. The only way I think I can do this is override toString and use %s

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