Update dependency @embroider/test-setup to v1.7.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@embroider/test-setup	1.7.0 -> 1.7.1

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Release Notes

embroider-build/embroider

### [`v1.7.1`](https://togithub.com/embroider-build/embroider/blob/HEAD/CHANGELOG.md#v171-2022-05-24) [Compare Source](https://togithub.com/embroider-build/embroider/compare/v1.7.0...v1.7.1) ##### :bug: Bug Fix - `core` - [#​1210](https://togithub.com/embroider-build/embroider/pull/1210) fastboot should not try to load through publicAssetURL ([@​ef4](https://togithub.com/ef4)) - `webpack` - [#​1209](https://togithub.com/embroider-build/embroider/pull/1209) fix default css chunk naming ([@​ef4](https://togithub.com/ef4)) ##### Committers: 1 - Edward Faulkner ([@​ef4](https://togithub.com/ef4))

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