diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 155d93d5..6e3d3e16 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
       - run: pnpm i -f # re-sync injected deps
 
       - name: Lint
-        run: pnpm --filter ember-basic-dropdown lint
+        run: pnpm --filter ember-basic-dropdown --filter test-app lint
 
   test:
     name: "Tests"
diff --git a/test-app/app/components/shadow-root.ts b/test-app/app/components/shadow-root.ts
index 6a754fd5..b510009d 100644
--- a/test-app/app/components/shadow-root.ts
+++ b/test-app/app/components/shadow-root.ts
@@ -4,7 +4,7 @@ import { getOwner } from '@ember/owner';
 // @ts-expect-error Public property 'isFastBoot' of exported class
 const isFastBoot = typeof FastBoot !== 'undefined';
 
-export default class ShadowRootComponent extends Component<{
+export default class ShadowRoot extends Component<{
   Element: HTMLDivElement;
   Blocks: { default: [] };
 }> {
@@ -39,3 +39,9 @@ export default class ShadowRootComponent extends Component<{
     return [...document.head.querySelectorAll('link')].map((link) => link.href);
   }
 }
+
+declare module '@glint/environment-ember-loose/registry' {
+  export default interface Registry {
+    ShadowRoot: typeof ShadowRoot;
+  }
+}
diff --git a/test-app/app/components/shadow.ts b/test-app/app/components/shadow.ts
index 83858742..5271cbac 100644
--- a/test-app/app/components/shadow.ts
+++ b/test-app/app/components/shadow.ts
@@ -2,7 +2,7 @@ import Component from '@glimmer/component';
 import { tracked } from '@glimmer/tracking';
 import { modifier } from 'ember-modifier';
 
-export default class ShadowComponent extends Component<{
+export default class Shadow extends Component<{
   Element: HTMLDivElement;
   Blocks: { default: [] };
 }> {
@@ -28,6 +28,6 @@ export default class ShadowComponent extends Component<{
 
 declare module '@glint/environment-ember-loose/registry' {
   export default interface Registry {
-    Shadow: typeof ShadowComponent;
+    Shadow: typeof Shadow;
   }
 }