diff --git a/packages/matrix/tests/live-cards.spec.ts b/packages/matrix/tests/live-cards.spec.ts
index 3c8b3507bf..432aa397f5 100644
--- a/packages/matrix/tests/live-cards.spec.ts
+++ b/packages/matrix/tests/live-cards.spec.ts
@@ -55,9 +55,13 @@ test.describe('Live Cards', () => {
       skipOpeningAssistant: true,
     });
     await createRealm(page, realmName);
-    await page.goto(`${realmURL}hello-world`);
+    await page.goto(
+      `${realmURL}HelloWorld/47c0fc54-5099-4e9c-ad0d-8a58572d05c0`,
+    );
     await expect(
-      page.locator(`[data-test-card="${realmURL}hello-world"]`),
+      page.locator(
+        `[data-test-card="${realmURL}HelloWorld/47c0fc54-5099-4e9c-ad0d-8a58572d05c0"]`,
+      ),
     ).toContainText('Hello World');
 
     // assert that instance updates are live bound
@@ -66,7 +70,7 @@ test.describe('Live Cards', () => {
       '..',
       'user1',
       realmName,
-      'hello-world.json',
+      'HelloWorld/47c0fc54-5099-4e9c-ad0d-8a58572d05c0.json',
     );
     await expect(
       page.locator('[data-test-realm-indexing-indicator]'),
@@ -90,7 +94,9 @@ test.describe('Live Cards', () => {
       page.locator('[data-test-realm-indexing-indicator]'),
     ).toHaveCount(1);
     await expect(
-      page.locator(`[data-test-card="${realmURL}hello-world"]`),
+      page.locator(
+        `[data-test-card="${realmURL}HelloWorld/47c0fc54-5099-4e9c-ad0d-8a58572d05c0"]`,
+      ),
     ).toContainText('Hello Mars');
     await expect(
       page.locator('[data-test-realm-indexing-indicator]'),
diff --git a/packages/matrix/tests/registration-with-token.spec.ts b/packages/matrix/tests/registration-with-token.spec.ts
index 71ccc7b6da..a3e662340c 100644
--- a/packages/matrix/tests/registration-with-token.spec.ts
+++ b/packages/matrix/tests/registration-with-token.spec.ts
@@ -187,7 +187,9 @@ test.describe('User Registration w/ Token - isolated realm server', () => {
     ).toHaveCount(1);
     await showAllCards(page);
     await expect(
-      page.locator(`[data-test-cards-grid-item="${newRealmURL}hello-world"]`),
+      page.locator(
+        `[data-test-cards-grid-item="${newRealmURL}HelloWorld/47c0fc54-5099-4e9c-ad0d-8a58572d05c0"]`,
+      ),
     ).toHaveCount(1);
     await page.locator(`[data-test-workspace-chooser-toggle]`).click();
     await expect(page.locator('[data-test-workspace-chooser]')).toHaveCount(1);
@@ -262,9 +264,13 @@ test.describe('User Registration w/ Token - isolated realm server', () => {
 
     // assert that logged in user can navigate directly to card in private realm without
     // being asked to login
-    await page.goto(`${newRealmURL}hello-world`);
+    await page.goto(
+      `${newRealmURL}HelloWorld/47c0fc54-5099-4e9c-ad0d-8a58572d05c0`,
+    );
     await expect(
-      page.locator(`[data-test-card="${newRealmURL}hello-world"]`),
+      page.locator(
+        `[data-test-card="${newRealmURL}HelloWorld/47c0fc54-5099-4e9c-ad0d-8a58572d05c0"]`,
+      ),
     ).toContainText('Hello World');
 
     // assert that non-logged in user is prompted to login before navigating
@@ -273,12 +279,14 @@ test.describe('User Registration w/ Token - isolated realm server', () => {
     await assertLoggedOut(page);
 
     await login(page, 'user1', 'mypassword1!', {
-      url: `${newRealmURL}hello-world`,
+      url: `${newRealmURL}HelloWorld/47c0fc54-5099-4e9c-ad0d-8a58572d05c0`,
       skipOpeningAssistant: true,
     });
     await assertLoggedIn(page, { displayName: 'Test User' });
     await expect(
-      page.locator(`[data-test-card="${newRealmURL}hello-world"]`),
+      page.locator(
+        `[data-test-card="${newRealmURL}HelloWorld/47c0fc54-5099-4e9c-ad0d-8a58572d05c0"]`,
+      ),
     ).toHaveCount(1);
 
     let auth = await loginUser(`user1`, 'mypassword1!');