diff --git a/docs-app/package.json b/docs-app/package.json
index 0e84f9ea..29fe26eb 100644
--- a/docs-app/package.json
+++ b/docs-app/package.json
@@ -34,7 +34,7 @@
     "@docfy/ember": "^0.8.5",
     "@ember/optional-features": "^2.0.0",
     "@ember/string": "^3.1.1",
-    "@ember/test-helpers": "^3.2.0",
+    "@ember/test-helpers": "^4.0.0",
     "@embroider/compat": "^3.0.0",
     "@embroider/core": "^3.0.0",
     "@embroider/webpack": "^4.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 92a15099..a9f3134b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -103,8 +103,8 @@ importers:
         specifier: ^3.1.1
         version: 3.1.1
       '@ember/test-helpers':
-        specifier: ^3.2.0
-        version: 3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1)
+        specifier: ^4.0.0
+        version: 4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       '@embroider/compat':
         specifier: ^3.0.0
         version: 3.4.7(@embroider/core@3.4.7(@glint/template@1.5.0))(@glint/template@1.5.0)
@@ -146,7 +146,7 @@ importers:
         version: 4.0.11(@babel/core@7.26.0)
       '@types/ember-qunit':
         specifier: ^6.0.0
-        version: 6.1.1(@ember/test-helpers@3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)
+        version: 6.1.1(@ember/test-helpers@4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)
       '@types/ember-resolver':
         specifier: ^9.0.0
         version: 9.0.0(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
@@ -260,7 +260,7 @@ importers:
         version: 8.2.3(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       ember-qunit:
         specifier: ^8.0.0
-        version: 8.1.0(@ember/test-helpers@3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)
+        version: 8.1.0(@ember/test-helpers@4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)
       ember-resolver:
         specifier: ^13.1.0
         version: 13.1.0(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
@@ -848,8 +848,8 @@ importers:
         specifier: ^3.1.1
         version: 3.1.1
       '@ember/test-helpers':
-        specifier: ^3.2.1
-        version: 3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1)
+        specifier: ^4.0.0
+        version: 4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       '@embroider/macros':
         specifier: ^1.13.4
         version: 1.15.1(@glint/template@1.5.0)
@@ -897,7 +897,7 @@ importers:
         version: 4.0.7(@babel/core@7.26.0)
       '@types/ember-qunit':
         specifier: ^6.1.1
-        version: 6.1.1(@ember/test-helpers@3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)
+        version: 6.1.1(@ember/test-helpers@4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)
       '@types/ember-resolver':
         specifier: ^9.0.0
         version: 9.0.0(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
@@ -981,7 +981,7 @@ importers:
         version: 9.1.0
       ember-a11y-testing:
         specifier: ^7.0.0
-        version: 7.0.0(@babel/core@7.26.0)(@ember/test-helpers@3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1))(@glint/template@1.5.0)(qunit@2.22.0)(webpack@5.97.1)
+        version: 7.0.0(@babel/core@7.26.0)(@ember/test-helpers@4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)))(@glint/template@1.5.0)(qunit@2.22.0)(webpack@5.97.1)
       ember-async-data:
         specifier: ^1.0.3
         version: 1.0.3(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
@@ -1041,7 +1041,7 @@ importers:
         version: 8.2.3(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       ember-qunit:
         specifier: ^8.0.0
-        version: 8.1.0(@ember/test-helpers@3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)
+        version: 8.1.0(@ember/test-helpers@4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)
       ember-resolver:
         specifier: ^13.1.0
         version: 13.1.0(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
@@ -2552,16 +2552,19 @@ packages:
     resolution: {integrity: sha512-UbXJ+k3QOrYN4SRPHgXCqYIJ+yWWUg1+vr0H4DhdQPTy8LJfyqwZ2tc5uqpSSnEXE+/1KopHBE5J8GDagAg5cg==}
     engines: {node: 12.* || 14.* || >= 16}
 
-  '@ember/test-helpers@3.3.1':
-    resolution: {integrity: sha512-h4uFBy4pquBtHsHI+tx9S0wtMmn1L+8dkXiDiyoqG1+3e0Awk6GBujiFM9s4ANq6wC8uIhC3wEFyts10h2OAoQ==}
-    engines: {node: 16.* || >= 18}
+  '@ember/test-helpers@4.0.4':
+    resolution: {integrity: sha512-1mbOVyVEcLxYOGzBaeeaQkCrL1o9Av86QaHk/1RvrVBW24I6YUj1ILLEi2qLZT5PzcCy0TdfadHT3hKJwJ0GcQ==}
     peerDependencies:
-      ember-source: ^4.0.0 || ^5.0.0
+      ember-source: '>= 4.0.0'
 
   '@ember/test-waiters@3.0.2':
     resolution: {integrity: sha512-H8Q3Xy9rlqhDKnQpwt2pzAYDouww4TZIGSI1pZJhM7mQIGufQKuB0ijzn/yugA6Z+bNdjYp1HioP8Y4hn2zazQ==}
     engines: {node: 10.* || 12.* || >= 14.*}
 
+  '@ember/test-waiters@3.1.0':
+    resolution: {integrity: sha512-bb9h95ktG2wKY9+ja1sdsFBdOms2lB19VWs8wmNpzgHv1NCetonBoV5jHBV4DHt0uS1tg9z66cZqhUVlYs96KQ==}
+    engines: {node: 10.* || 12.* || >= 14.*}
+
   '@embroider/addon-dev@7.0.0':
     resolution: {integrity: sha512-jxRh++d2YXnEAjPxvjHGsTqx/Gd9U3LDeuLYBhLW6wzXakCyvU3K6V7jbYfx5fAxbdGkr2jFIp2gmGEsai2fpQ==}
     engines: {node: 12.* || 14.* || >= 16}
@@ -10074,7 +10077,7 @@ snapshots:
       '@babel/helper-plugin-utils': 7.24.7
       debug: 4.3.4(supports-color@8.1.1)
       lodash.debounce: 4.0.8
-      resolve: 1.22.8
+      resolve: 1.22.9
     transitivePeerDependencies:
       - supports-color
 
@@ -11776,7 +11779,7 @@ snapshots:
       '@ember-data/private-build-infra': 5.3.0(@glint/template@1.5.0)
       '@ember-data/store': 5.3.0(@babel/core@7.26.0)(@ember-data/tracking@5.3.0(@babel/core@7.26.0)(@glint/template@1.5.0))(@ember/string@3.1.1)(@glimmer/tracking@1.1.2)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       '@ember/string': 3.1.1
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       ember-cli-babel: 8.2.0(@babel/core@7.26.0)
       ember-cli-test-info: 1.0.0
       ember-inflector: 4.0.2
@@ -11792,7 +11795,7 @@ snapshots:
       '@ember-data/store': 5.3.0(@babel/core@7.26.0)(@ember-data/tracking@5.3.0(@babel/core@7.26.0)(@glint/template@1.5.0))(@ember/string@3.1.1)(@glimmer/tracking@1.1.2)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       '@ember/edition-utils': 1.2.0
       '@ember/string': 3.1.1
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       ember-auto-import: 2.10.0(@glint/template@1.5.0)(webpack@5.97.1)
       ember-cli-babel: 8.2.0(@babel/core@7.26.0)
       webpack: 5.97.1
@@ -11809,7 +11812,7 @@ snapshots:
       '@ember-data/private-build-infra': 5.3.0(@glint/template@1.5.0)
       '@ember-data/store': 5.3.0(@babel/core@7.26.0)(@ember-data/tracking@5.3.0(@babel/core@7.26.0)(@glint/template@1.5.0))(@ember/string@3.1.1)(@glimmer/tracking@1.1.2)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       '@ember/edition-utils': 1.2.0
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       ember-cli-babel: 8.2.0(@babel/core@7.26.0)
     transitivePeerDependencies:
       - '@babel/core'
@@ -11823,7 +11826,7 @@ snapshots:
       '@ember-data/request-utils': 5.3.0(@babel/core@7.26.0)
       '@ember-data/store': 5.3.0(@babel/core@7.26.0)(@ember-data/tracking@5.3.0(@babel/core@7.26.0)(@glint/template@1.5.0))(@ember/string@3.1.1)(@glimmer/tracking@1.1.2)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       '@ember/edition-utils': 1.2.0
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       ember-cli-babel: 8.2.0(@babel/core@7.26.0)
       ember-inflector: 4.0.2
     transitivePeerDependencies:
@@ -11835,7 +11838,7 @@ snapshots:
     dependencies:
       '@ember-data/private-build-infra': 5.3.0(@glint/template@1.5.0)
       '@ember-data/request': 5.3.0(@babel/core@7.26.0)(@glint/template@1.5.0)
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       ember-cli-babel: 8.2.0(@babel/core@7.26.0)
     optionalDependencies:
       '@ember-data/graph': 5.3.0(@babel/core@7.26.0)(@ember-data/store@5.3.0(@babel/core@7.26.0)(@ember-data/tracking@5.3.0(@babel/core@7.26.0)(@glint/template@1.5.0))(@ember/string@3.1.1)(@glimmer/tracking@1.1.2)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)))(@glint/template@1.5.0)
@@ -11853,7 +11856,7 @@ snapshots:
       '@ember-data/tracking': 5.3.0(@babel/core@7.26.0)(@glint/template@1.5.0)
       '@ember/edition-utils': 1.2.0
       '@ember/string': 3.1.1
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       ember-cached-decorator-polyfill: 1.0.2(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       ember-cli-babel: 8.2.0(@babel/core@7.26.0)
       ember-cli-string-utils: 1.1.0
@@ -11876,7 +11879,7 @@ snapshots:
       '@babel/plugin-transform-block-scoping': 7.23.4(@babel/core@7.26.0)
       '@babel/runtime': 7.26.0
       '@ember/edition-utils': 1.2.0
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       babel-import-util: 1.4.1
       babel-plugin-debug-macros: 0.3.4(@babel/core@7.26.0)
       babel-plugin-filter-imports: 4.0.0
@@ -11909,7 +11912,7 @@ snapshots:
     dependencies:
       '@ember-data/private-build-infra': 5.3.0(@glint/template@1.5.0)
       '@ember/test-waiters': 3.0.2
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       ember-cli-babel: 8.2.0(@babel/core@7.26.0)
     transitivePeerDependencies:
       - '@babel/core'
@@ -11922,7 +11925,7 @@ snapshots:
     dependencies:
       '@ember-data/private-build-infra': 5.3.0(@glint/template@1.5.0)
       '@ember/string': 3.1.1
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       ember-cli-babel: 8.2.0(@babel/core@7.26.0)
       ember-cli-test-info: 1.0.0
       ember-inflector: 4.0.2
@@ -11936,7 +11939,7 @@ snapshots:
       '@ember-data/private-build-infra': 5.3.0(@glint/template@1.5.0)
       '@ember-data/tracking': 5.3.0(@babel/core@7.26.0)(@glint/template@1.5.0)
       '@ember/string': 3.1.1
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       '@glimmer/tracking': 1.1.2
       ember-cached-decorator-polyfill: 1.0.2(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       ember-cli-babel: 8.2.0(@babel/core@7.26.0)
@@ -11949,7 +11952,7 @@ snapshots:
   '@ember-data/tracking@5.3.0(@babel/core@7.26.0)(@glint/template@1.5.0)':
     dependencies:
       '@ember-data/private-build-infra': 5.3.0(@glint/template@1.5.0)
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       ember-cli-babel: 8.2.0(@babel/core@7.26.0)
     transitivePeerDependencies:
       - '@babel/core'
@@ -11975,23 +11978,19 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  '@ember/test-helpers@3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1)':
+  '@ember/test-helpers@4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))':
     dependencies:
-      '@ember/test-waiters': 3.0.2
-      '@embroider/macros': 1.16.5(@glint/template@1.5.0)
+      '@ember/test-waiters': 3.1.0
+      '@embroider/addon-shim': 1.9.0
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       '@simple-dom/interface': 1.4.0
-      broccoli-debug: 0.6.5
-      broccoli-funnel: 3.0.8
+      decorator-transforms: 2.3.0(@babel/core@7.26.0)
       dom-element-descriptors: 0.5.1
-      ember-auto-import: 2.10.0(@glint/template@1.5.0)(webpack@5.97.1)
-      ember-cli-babel: 8.2.0(@babel/core@7.26.0)
-      ember-cli-htmlbars: 6.3.0
       ember-source: 5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)
     transitivePeerDependencies:
       - '@babel/core'
       - '@glint/template'
       - supports-color
-      - webpack
 
   '@ember/test-waiters@3.0.2':
     dependencies:
@@ -12002,6 +12001,15 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  '@ember/test-waiters@3.1.0':
+    dependencies:
+      calculate-cache-key-for-tree: 2.0.0
+      ember-cli-babel: 7.26.11
+      ember-cli-version-checker: 5.1.2
+      semver: 7.6.3
+    transitivePeerDependencies:
+      - supports-color
+
   '@embroider/addon-dev@7.0.0(@glint/template@1.5.0)(rollup@4.29.1)':
     dependencies:
       '@embroider/core': 3.4.19(@glint/template@1.5.0)
@@ -13257,9 +13265,9 @@ snapshots:
       - '@babel/core'
       - supports-color
 
-  '@types/ember-qunit@6.1.1(@ember/test-helpers@3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)':
+  '@types/ember-qunit@6.1.1(@ember/test-helpers@4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)':
     dependencies:
-      ember-qunit: 8.1.0(@ember/test-helpers@3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)
+      ember-qunit: 8.1.0(@ember/test-helpers@4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0)
     transitivePeerDependencies:
       - '@ember/test-helpers'
       - '@glint/template'
@@ -15584,9 +15592,9 @@ snapshots:
 
   electron-to-chromium@1.5.70: {}
 
-  ember-a11y-testing@7.0.0(@babel/core@7.26.0)(@ember/test-helpers@3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1))(@glint/template@1.5.0)(qunit@2.22.0)(webpack@5.97.1):
+  ember-a11y-testing@7.0.0(@babel/core@7.26.0)(@ember/test-helpers@4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)))(@glint/template@1.5.0)(qunit@2.22.0)(webpack@5.97.1):
     dependencies:
-      '@ember/test-helpers': 3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1)
+      '@ember/test-helpers': 4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       '@ember/test-waiters': 3.0.2
       '@scalvert/ember-setup-middleware-reporter': 0.1.1
       axe-core: 4.6.3
@@ -15678,7 +15686,7 @@ snapshots:
 
   ember-cached-decorator-polyfill@1.0.2(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)):
     dependencies:
-      '@embroider/macros': 1.13.1(@glint/template@1.5.0)
+      '@embroider/macros': 1.16.9(@glint/template@1.5.0)
       '@glimmer/tracking': 1.1.2
       babel-import-util: 1.4.1
       ember-cache-primitive-polyfill: 1.0.1(@babel/core@7.26.0)
@@ -16354,9 +16362,9 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  ember-qunit@8.1.0(@ember/test-helpers@3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0):
+  ember-qunit@8.1.0(@ember/test-helpers@4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1)))(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(qunit@2.22.0):
     dependencies:
-      '@ember/test-helpers': 3.3.1(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))(webpack@5.97.1)
+      '@ember/test-helpers': 4.0.4(@babel/core@7.26.0)(@glint/template@1.5.0)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.26.0))(@glint/template@1.5.0)(rsvp@4.8.5)(webpack@5.97.1))
       '@embroider/addon-shim': 1.8.9
       '@embroider/macros': 1.16.3(@glint/template@1.5.0)
       ember-cli-test-loader: 3.1.0
diff --git a/test-app/package.json b/test-app/package.json
index a61599e0..a8e0ee37 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -31,7 +31,7 @@
     "@babel/eslint-parser": "^7.11.0",
     "@ember/optional-features": "^2.0.0",
     "@ember/string": "^3.1.1",
-    "@ember/test-helpers": "^3.2.1",
+    "@ember/test-helpers": "^4.0.0",
     "@embroider/macros": "^1.13.4",
     "@embroider/test-setup": "^4.0.0",
     "@glimmer/component": "^1.1.2",