chore(deps): update dependency @ember/test-helpers to v2.2.6

package.json

@@ -39,7 +39,7 @@
   },
   "devDependencies": {
     "@ember/optional-features": "2.0.0",
-    "@ember/test-helpers": "2.2.5",
+    "@ember/test-helpers": "2.2.6",
     "@embroider/test-setup": "0.41.0",
     "@glimmer/component": "1.0.4",
     "@glimmer/tracking": "1.0.4",

yarn.lock

@@ -1314,15 +1314,15 @@
     mkdirp "^1.0.4"
     silent-error "^1.1.1"
 
-"@ember/[email protected].5":
-  version "2.2.5"
-  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-2.2.5.tgz#9f915310b79fd6330e8e19857958e5f241c1d0de"
-  integrity sha512-E0GMlkmRb9r3lHa+88gtfZcve+IlAS3yoUsB5QSSTC8oRTGhqzirvsxYAylCj8n40gfoOHdqKEZxncYhVimZwg==
+"@ember/[email protected].6":
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-2.2.6.tgz#48a5dd6f871dd531c81edfee8094991fd932dc12"
+  integrity sha512-nsrIeFeA2ZChLYp+qgOjpDKo0a294PVRJ3XZtid2alF4VjNTJPl+tyjQfnPje5kcQtADZlIGOqemNYC3HTo4Lg==
   dependencies:
     "@ember/test-waiters" "^2.4.3"
     broccoli-debug "^0.6.5"
     broccoli-funnel "^3.0.3"
-    ember-cli-babel "^7.26.2"
+    ember-cli-babel "^7.26.4"
     ember-cli-htmlbars "^5.7.1"
     ember-destroyable-polyfill "^2.0.3"
 
@@ -5047,7 +5047,7 @@ ember-cli-babel-plugin-helpers@^1.0.0, ember-cli-babel-plugin-helpers@^1.1.1:
   resolved "https://registry.yarnpkg.com/ember-cli-babel-plugin-helpers/-/ember-cli-babel-plugin-helpers-1.1.1.tgz#5016b80cdef37036c4282eef2d863e1d73576879"
   integrity sha512-sKvOiPNHr5F/60NLd7SFzMpYPte/nnGkq/tMIfXejfKHIhaiIkYFqX8Z9UFTKWLLn+V7NOaby6niNPZUdvKCRw==
 
-[email protected]:
+[email protected], ember-cli-babel@^7.26.4:
   version "7.26.6"
   resolved "https://registry.yarnpkg.com/ember-cli-babel/-/ember-cli-babel-7.26.6.tgz#322fbbd3baad9dd99e3276ff05bc6faef5e54b39"
   integrity sha512-040svtfj2RC35j/WMwdWJFusZaXmNoytLAMyBDGLMSlRvznudTxZjGlPV6UupmtTBApy58cEF8Fq4a+COWoEmQ==