Bump @ember/test-helpers from 2.4.2 to 2.6.0

Bumps [@ember/test-helpers](https://github.com/emberjs/ember-test-helpers) from 2.4.2 to 2.6.0.
- [Release notes](https://github.com/emberjs/ember-test-helpers/releases)
- [Changelog](https://github.com/emberjs/ember-test-helpers/blob/master/CHANGELOG.md)
- [Commits](emberjs/ember-test-helpers@v2.4.2...v2.6.0)

---
updated-dependencies:
- dependency-name: "@ember/test-helpers"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -38,7 +38,7 @@
     "@babel/cli": "^7.15.4",
     "@babel/preset-typescript": "^7.16.0",
     "@ember/optional-features": "^2.0.0",
-    "@ember/test-helpers": "^2.4.2",
+    "@ember/test-helpers": "^2.6.0",
     "@embroider/test-setup": "^0.47.1",
     "@glimmer/component": "^1.0.4",
     "@glimmer/tracking": "^1.0.4",

yarn.lock

@@ -1170,10 +1170,10 @@
     mkdirp "^1.0.4"
     silent-error "^1.1.1"
 
-"@ember/test-helpers@^2.4.2":
-  version "2.4.2"
-  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-2.4.2.tgz#e5be97e316dc502d7da933461135fbcb9254726e"
-  integrity sha512-++k/dXZ0IeOQLSm0Yu5QuCRe9UoptuckMhaXHY37VLb1varLHRuP8908kigVNt9c5waiocaK4jPjDBkKYRLlfA==
+"@ember/test-helpers@^2.6.0":
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-2.6.0.tgz#d687515c6ab49ba72717fc62046970ef4a72ea9c"
+  integrity sha512-N5sr3layWk60wB3maCy+/5hFHQRcTh8aqxcZTSs3Od9QkuHdWBtRgMGLP/35mXpJlgWuu3xqLpt6u3dGHc8gCg==
   dependencies:
     "@ember/test-waiters" "^3.0.0"
     broccoli-debug "^0.6.5"