diff --git a/files/__addonLocation__/package.json b/files/__addonLocation__/package.json
index a24f0b1a..59625848 100644
--- a/files/__addonLocation__/package.json
+++ b/files/__addonLocation__/package.json
@@ -25,6 +25,7 @@
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js:fix": "eslint . --fix",<% if (typescript) { %>
     "lint:types": "glint",
+    "lint:types-tests": "glint --project type-tests",
     "start": "concurrently 'npm:start:*'",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "glint --declaration --watch",<% } else { %>
diff --git a/files/__addonLocation__/tsconfig.json b/files/__addonLocation__/tsconfig.json
index 63cf81dc..7752b2b1 100644
--- a/files/__addonLocation__/tsconfig.json
+++ b/files/__addonLocation__/tsconfig.json
@@ -2,13 +2,12 @@
   "extends": "@tsconfig/ember/tsconfig.json",
   "include": [
     "src/**/*",
-    "unpublished-development-types/**/*",
-    "type-tests/**/*"
+    "unpublished-development-types/**/*"
   ],
   "glint": {
     "environment": "ember-loose"
   },
   "compilerOptions": {
-    "declarationDir": "declarations"
+    "declarationDir": "declarations",
   }
 }
diff --git a/files/__addonLocation__/type-tests/tsconfig.json b/files/__addonLocation__/type-tests/tsconfig.json
new file mode 100644
index 00000000..97c17fea
--- /dev/null
+++ b/files/__addonLocation__/type-tests/tsconfig.json
@@ -0,0 +1,3 @@
+{
+  "extends": "@tsconfig/ember/tsconfig.json"
+}
diff --git a/tests/smoke-tests/--typescript.test.ts b/tests/smoke-tests/--typescript.test.ts
index 9a6c6273..6a37c1aa 100644
--- a/tests/smoke-tests/--typescript.test.ts
+++ b/tests/smoke-tests/--typescript.test.ts
@@ -71,11 +71,7 @@ for (let packageManager of SUPPORTED_PACKAGE_MANAGERS) {
         'unpublished-development-types',
       ]);
 
-      await matchesFixture(path.join(typeTests, 'index.test.ts'), {
-        cwd,
-        scenario: 'addon-only-ts',
-        file: 'type-tests/index.test.ts',
-      });
+      expect(await dirContents(typeTests)).to.deep.equal(['index.test.ts', 'tsconfig.json']);
     });
 
     it('builds the addon', async () => {
@@ -83,8 +79,6 @@ for (let packageManager of SUPPORTED_PACKAGE_MANAGERS) {
 
       expect(exitCode).toEqual(0);
 
-      console.log({ distDir, declarationsDir });
-
       let distContents = await dirContents(distDir);
       let declarationsContents = await dirContents(declarationsDir);