diff --git a/package.json b/package.json
index 06c1275..a4404bf 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "eslint-plugin-ember": "^6.0.1",
     "eslint-plugin-node": "^8.0.0",
     "loader.js": "^4.2.3",
-    "qunit-dom": "^0.8.0",
+    "qunit-dom": "^1.5.0",
     "sass": "^1.13.2"
   },
   "engines": {
diff --git a/yarn.lock b/yarn.lock
index c46ce48..832c981 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -696,6 +696,10 @@
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.3.tgz#3dca0e3f33b200fc7d1139c0cd96c1268cadfd9d"
 
+"@types/symlink-or-copy@^1.2.0":
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/@types/symlink-or-copy/-/symlink-or-copy-1.2.0.tgz#4151a81b4052c80bc2becbae09f3a9ec010a9c7a"
+
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
@@ -1116,11 +1120,11 @@ babel-plugin-module-resolver@^3.1.1:
 
 babel-plugin-syntax-async-functions@^6.8.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
 
 babel-plugin-syntax-exponentiation-operator@^6.8.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
 
 babel-plugin-syntax-trailing-function-commas@^6.22.0:
   version "6.22.0"
@@ -1762,6 +1766,21 @@ broccoli-funnel@^2.0.0, broccoli-funnel@^2.0.1, broccoli-funnel@^2.0.2:
     symlink-or-copy "^1.0.0"
     walk-sync "^0.3.1"
 
+broccoli-funnel@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/broccoli-funnel/-/broccoli-funnel-3.0.3.tgz#26fd42632471f67a91f4770d1987118087219937"
+  dependencies:
+    array-equal "^1.0.0"
+    blank-object "^1.0.1"
+    broccoli-plugin "^4.0.1"
+    debug "^4.1.1"
+    fast-ordered-set "^1.0.0"
+    fs-tree-diff "^2.0.1"
+    heimdalljs "^0.2.0"
+    minimatch "^3.0.0"
+    path-posix "^1.0.0"
+    walk-sync "^2.0.2"
+
 broccoli-kitchen-sink-helpers@^0.2.5:
   version "0.2.9"
   resolved "https://registry.yarnpkg.com/broccoli-kitchen-sink-helpers/-/broccoli-kitchen-sink-helpers-0.2.9.tgz#a5e0986ed8d76fb5984b68c3f0450d3a96e36ecc"
@@ -1815,6 +1834,13 @@ broccoli-merge-trees@^3.0.0, broccoli-merge-trees@^3.0.1, broccoli-merge-trees@^
     broccoli-plugin "^1.3.0"
     merge-trees "^2.0.0"
 
+broccoli-merge-trees@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/broccoli-merge-trees/-/broccoli-merge-trees-4.2.0.tgz#692d3c163ecea08c5714a9434d664e628919f47c"
+  dependencies:
+    broccoli-plugin "^4.0.2"
+    merge-trees "^2.0.0"
+
 broccoli-middleware@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/broccoli-middleware/-/broccoli-middleware-2.0.1.tgz#093314f13e52fad7fa8c4254a4e4a4560c857a65"
@@ -1839,10 +1865,26 @@ broccoli-module-unification-reexporter@^1.0.0:
     mkdirp "^0.5.1"
     walk-sync "^0.3.2"
 
+broccoli-node-api@^1.6.0, broccoli-node-api@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/broccoli-node-api/-/broccoli-node-api-1.7.0.tgz#391aa6edecd2a42c63c111b4162956b2fa288cb6"
+
 broccoli-node-info@1.1.0, broccoli-node-info@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/broccoli-node-info/-/broccoli-node-info-1.1.0.tgz#3aa2e31e07e5bdb516dd25214f7c45ba1c459412"
 
+broccoli-node-info@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/broccoli-node-info/-/broccoli-node-info-2.1.0.tgz#ca84560e8570ff78565bea1699866ddbf58ad644"
+
+broccoli-output-wrapper@^3.2.1:
+  version "3.2.3"
+  resolved "https://registry.yarnpkg.com/broccoli-output-wrapper/-/broccoli-output-wrapper-3.2.3.tgz#e5c9de7c881570eb4c0b0d194bb12d9671b25a9b"
+  dependencies:
+    fs-extra "^8.1.0"
+    heimdalljs-logger "^0.1.10"
+    symlink-or-copy "^1.2.0"
+
 broccoli-persistent-filter@^1.1.6, broccoli-persistent-filter@^1.4.3:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/broccoli-persistent-filter/-/broccoli-persistent-filter-1.4.3.tgz#3511bc52fc53740cda51621f58a28152d9911bc1"
@@ -1897,6 +1939,18 @@ broccoli-plugin@^1.0.0, broccoli-plugin@^1.1.0, broccoli-plugin@^1.2.0, broccoli
     rimraf "^2.3.4"
     symlink-or-copy "^1.1.8"
 
+broccoli-plugin@^4.0.1, broccoli-plugin@^4.0.2:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/broccoli-plugin/-/broccoli-plugin-4.0.3.tgz#9dcfbfb6a1b27a37cc22e65c071719ce9f92bc1e"
+  dependencies:
+    broccoli-node-api "^1.6.0"
+    broccoli-output-wrapper "^3.2.1"
+    fs-merger "^3.1.0"
+    promise-map-series "^0.2.1"
+    quick-temp "^0.1.3"
+    rimraf "^3.0.0"
+    symlink-or-copy "^1.3.0"
+
 broccoli-sass-source-maps@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/broccoli-sass-source-maps/-/broccoli-sass-source-maps-4.0.0.tgz#1ee4c10a810b10955b0502e28f85ab672f5961a2"
@@ -2118,7 +2172,7 @@ cardinal@^1.0.0:
 
 chalk@^1.0.0, chalk@^1.1.3:
   version "1.1.3"
-  resolved "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  resolved "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   dependencies:
     ansi-styles "^2.2.1"
     escape-string-regexp "^1.0.2"
@@ -3607,6 +3661,25 @@ fs-extra@^7.0.0:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
+fs-extra@^8.0.1, fs-extra@^8.1.0:
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-8.1.0.tgz#49d43c45a88cd9677668cb7be1b46efdb8d2e1c0"
+  dependencies:
+    graceful-fs "^4.2.0"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
+
+fs-merger@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/fs-merger/-/fs-merger-3.1.0.tgz#f30f74f6c70b2ff7333ec074f3d2f22298152f3b"
+  dependencies:
+    broccoli-node-api "^1.7.0"
+    broccoli-node-info "^2.1.0"
+    fs-extra "^8.0.1"
+    fs-tree-diff "^2.0.1"
+    rimraf "^2.6.3"
+    walk-sync "^2.0.2"
+
 fs-minipass@^1.2.5:
   version "1.2.5"
   resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.5.tgz#06c277218454ec288df77ada54a03b8702aacb9d"
@@ -3631,6 +3704,16 @@ fs-tree-diff@^1.0.0:
     path-posix "^1.0.0"
     symlink-or-copy "^1.1.8"
 
+fs-tree-diff@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/fs-tree-diff/-/fs-tree-diff-2.0.1.tgz#343e4745ab435ec39ebac5f9059ad919cd034afa"
+  dependencies:
+    "@types/symlink-or-copy" "^1.2.0"
+    heimdalljs-logger "^0.1.7"
+    object-assign "^4.1.0"
+    path-posix "^1.0.0"
+    symlink-or-copy "^1.1.8"
+
 fs-updater@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/fs-updater/-/fs-updater-1.0.4.tgz#2329980f99ae9176e9a0e84f7637538a182ce63b"
@@ -3810,7 +3893,7 @@ globby@^5.0.0:
 
 got@^6.7.1:
   version "6.7.1"
-  resolved "http://registry.npmjs.org/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
+  resolved "https://registry.npmjs.org/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
   dependencies:
     create-error-class "^3.0.0"
     duplexer3 "^0.1.4"
@@ -3850,6 +3933,10 @@ graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.6:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
+graceful-fs@^4.2.0:
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
+
 "graceful-readlink@>= 1.0.0":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
@@ -3959,7 +4046,7 @@ heimdalljs-graph@^0.3.4:
   version "0.3.5"
   resolved "https://registry.yarnpkg.com/heimdalljs-graph/-/heimdalljs-graph-0.3.5.tgz#420fbbc8fc3aec5963ddbbf1a5fb47921c4a5927"
 
-heimdalljs-logger@^0.1.7, heimdalljs-logger@^0.1.9:
+heimdalljs-logger@^0.1.10, heimdalljs-logger@^0.1.7, heimdalljs-logger@^0.1.9:
   version "0.1.10"
   resolved "https://registry.yarnpkg.com/heimdalljs-logger/-/heimdalljs-logger-0.1.10.tgz#90cad58aabb1590a3c7e640ddc6a4cd3a43faaf7"
   dependencies:
@@ -4932,6 +5019,13 @@ matcher-collection@^1.1.1:
   dependencies:
     minimatch "^3.0.2"
 
+matcher-collection@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/matcher-collection/-/matcher-collection-2.0.1.tgz#90be1a4cf58d6f2949864f65bb3b0f3e41303b29"
+  dependencies:
+    "@types/minimatch" "^3.0.3"
+    minimatch "^3.0.2"
+
 md5-hex@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/md5-hex/-/md5-hex-2.0.0.tgz#d0588e9f1c74954492ecd24ac0ac6ce997d92e33"
@@ -5044,15 +5138,15 @@ mimic-response@^1.0.0:
 
 minimist@0.0.8:
   version "0.0.8"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
 minimist@^1.1.1, minimist@^1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
 minimist@~0.0.1:
   version "0.0.10"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
 
 minipass@^2.2.0, minipass@^2.2.1, minipass@^2.3.3:
   version "2.3.4"
@@ -5076,13 +5170,13 @@ mixin-deep@^1.2.0:
 
 mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
 mkdirp@^0.3.5:
   version "0.3.5"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.3.5.tgz#de3e5f8961c88c787ee1368df849ac4413eca8d7"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.5.tgz#de3e5f8961c88c787ee1368df849ac4413eca8d7"
 
 mktemp@~0.4.0:
   version "0.4.0"
@@ -5633,12 +5727,12 @@ quick-temp@^0.1.2, quick-temp@^0.1.3, quick-temp@^0.1.5, quick-temp@^0.1.8:
     rimraf "^2.5.4"
     underscore.string "~3.3.4"
 
-qunit-dom@^0.8.0:
-  version "0.8.5"
-  resolved "https://registry.yarnpkg.com/qunit-dom/-/qunit-dom-0.8.5.tgz#34b7cffb338e631c39955b21bdbe4d774090124e"
+qunit-dom@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/qunit-dom/-/qunit-dom-1.5.0.tgz#f3e062562c18fb354b7657afd31890d89a24691d"
   dependencies:
-    broccoli-funnel "^2.0.2"
-    broccoli-merge-trees "^3.0.1"
+    broccoli-funnel "^3.0.3"
+    broccoli-merge-trees "^4.2.0"
 
 qunit@~2.6.0:
   version "2.6.2"
@@ -5937,6 +6031,12 @@ rimraf@^2.2.8, rimraf@^2.3.4, rimraf@^2.4.3, rimraf@^2.4.4, rimraf@^2.5.3, rimra
   dependencies:
     glob "^7.1.3"
 
+rimraf@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-3.0.2.tgz#f1a5402ba6220ad52cc1282bac1ae3aa49fd061a"
+  dependencies:
+    glob "^7.1.3"
+
 rsvp@^3.0.14, rsvp@^3.0.17, rsvp@^3.0.18, rsvp@^3.0.21, rsvp@^3.0.6, rsvp@^3.1.0, rsvp@^3.3.3:
   version "3.6.2"
   resolved "https://registry.yarnpkg.com/rsvp/-/rsvp-3.6.2.tgz#2e96491599a96cde1b515d5674a8f7a91452926a"
@@ -6403,6 +6503,10 @@ symlink-or-copy@^1.0.0, symlink-or-copy@^1.0.1, symlink-or-copy@^1.1.8, symlink-
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/symlink-or-copy/-/symlink-or-copy-1.2.0.tgz#5d49108e2ab824a34069b68974486c290020b393"
 
+symlink-or-copy@^1.3.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/symlink-or-copy/-/symlink-or-copy-1.3.1.tgz#9506dd64d8e98fa21dcbf4018d1eab23e77f71fe"
+
 table@^5.0.2:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/table/-/table-5.1.0.tgz#69a54644f6f01ad1628f8178715b408dc6bf11f7"
@@ -6769,6 +6873,15 @@ walk-sync@^1.0.0, walk-sync@^1.1.3:
     ensure-posix-path "^1.1.0"
     matcher-collection "^1.1.1"
 
+walk-sync@^2.0.2:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/walk-sync/-/walk-sync-2.2.0.tgz#80786b0657fcc8c0e1c0b1a042a09eae2966387a"
+  dependencies:
+    "@types/minimatch" "^3.0.3"
+    ensure-posix-path "^1.1.0"
+    matcher-collection "^2.0.0"
+    minimatch "^3.0.4"
+
 walker@~1.0.5:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/walker/-/walker-1.0.7.tgz#2f7f9b8fd10d677262b18a884e28d19618e028fb"