chore(deps): update dependency @embroider/test-setup to ^0.49.0

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@embroider/test-setup	`^0.48.1` -> `^0.49.0`

Release Notes

embroider-build/embroider

### [`v0.49.0`](https://togithub.com/embroider-build/embroider/blob/HEAD/CHANGELOG.md#v0490-2021-12-21) [Compare Source](https://togithub.com/embroider-build/embroider/compare/v0.48.1...v0.49.0) ##### :rocket: Enhancement - `webpack` - [#1055](https://togithub.com/embroider-build/embroider/pull/1055) Accept custom `css-loader` and `style-loader` config in `@embroider/webpack` ([@dfreeman](https://togithub.com/dfreeman)) - `addon-shim` - [#1052](https://togithub.com/embroider-build/embroider/pull/1052) restore tree caching via `cacheKeyForTree` ([@RuslanZavacky](https://togithub.com/RuslanZavacky)) ##### :bug: Bug Fix - `core` - [#1048](https://togithub.com/embroider-build/embroider/pull/1048) Fix imported CSS with FastBoot ([@simonihmig](https://togithub.com/simonihmig)) - [#1045](https://togithub.com/embroider-build/embroider/pull/1045) Append styles imported in JS to end of `document.head` ([@simonihmig](https://togithub.com/simonihmig)) - `macros` - [#1059](https://togithub.com/embroider-build/embroider/pull/1059) cleanup test copy-paste errors ([@ef4](https://togithub.com/ef4)) - `compat`, `util` - [#1053](https://togithub.com/embroider-build/embroider/pull/1053) resolve failed macro condition in ember-private-api ([@NullVoxPopuli](https://togithub.com/NullVoxPopuli)) - `compat`, `core`, `shared-internals` - [#1043](https://togithub.com/embroider-build/embroider/pull/1043) Make extraImports lazy ([@ef4](https://togithub.com/ef4)) ##### :house: Internal - [#1044](https://togithub.com/embroider-build/embroider/pull/1044) Fix typo in file assertion test matcher ([@rwjblue](https://togithub.com/rwjblue)) ##### Committers: 6 - Dan Freeman ([@dfreeman](https://togithub.com/dfreeman)) - Edward Faulkner ([@ef4](https://togithub.com/ef4)) - Robert Jackson ([@rwjblue](https://togithub.com/rwjblue)) - Ruslan Zavacky ([@RuslanZavacky](https://togithub.com/RuslanZavacky)) - Simon Ihmig ([@simonihmig](https://togithub.com/simonihmig)) - [@NullVoxPopuli](https://togithub.com/NullVoxPopuli)