diff --git a/cypress/e2e/encryption-unit-tests.cy.ts b/cypress/e2e/encryption-unit-tests.cy.ts
index 411fd36697..4044917d33 100644
--- a/cypress/e2e/encryption-unit-tests.cy.ts
+++ b/cypress/e2e/encryption-unit-tests.cy.ts
@@ -1,4 +1,5 @@
 import { decryptWithPassword, deriveKeyFromPassword, encryptWithKey, fromBase64andParse } from 'app/state/persist/encryption'
+import { EncryptedObject } from '../../src/app/state/persist/types'
 
 describe('encryption unit tests in browser', () => {
   const PASSWORD = 'abcd1234&'
@@ -46,7 +47,7 @@ describe('encryption unit tests in browser', () => {
         142, 84, 1, 34, 155, 63, 246, 170, 198, 16, 253, 87, 59, 140, 165, 209, 70, 123, 52, 63, 209, 79, 137,
         18, 116, 123, 27, 86, 153, 221, 206, 34,
       ]),
-    })
+    } satisfies EncryptedObject)
 
     const decrypted = await decryptWithPassword<typeof DATA>(PASSWORD, encryptedString)
     expect(decrypted).deep.equal(DATA)
diff --git a/playwright/tests/syncTabs.spec.ts b/playwright/tests/syncTabs.spec.ts
index 2cdc2a4802..74ee4a480e 100644
--- a/playwright/tests/syncTabs.spec.ts
+++ b/playwright/tests/syncTabs.spec.ts
@@ -244,9 +244,6 @@ test.describe('syncTabs', () => {
     page,
     context,
   }) => {
-    // TODO: https://github.com/oasisprotocol/oasis-wallet-web/pull/975#discussion_r1019567305
-    test.fail()
-
     await addPersistedStorage(page)
     await page.goto('/')
     await page.getByPlaceholder('Enter your password here').fill(password)
@@ -256,6 +253,8 @@ test.describe('syncTabs', () => {
     await page.getByRole('button', { name: /Private key/ }).click()
     const tab2 = await context.newPage()
     await tab2.goto('/')
+    await expect(tab2.getByText('Loading account')).toBeVisible()
+    await expect(tab2.getByText('Loading account')).toBeHidden()
 
     // Delay getBalance so addWallet is called after wallet is locked.
     let grpcBalance: Route
@@ -269,6 +268,9 @@ test.describe('syncTabs', () => {
       body: 'AAAAAAGggAAAAB5ncnBjLXN0YXR1czowDQpncnBjLW1lc3NhZ2U6DQo=',
     })
 
-    await expect(page.getByTestId('fatalerror-stacktrace')).toBeHidden()
+    // TODO: https://github.com/oasisprotocol/oasis-wallet-web/pull/975#discussion_r1019567305
+    // await expect(page.getByTestId('fatalerror-stacktrace')).toBeHidden()
+    await expect(page.getByTestId('fatalerror-stacktrace')).toBeVisible()
+    await page.close() // Just to avoid expectNoFatal in afterEach
   })
 })
diff --git a/playwright/utils/mockApi.ts b/playwright/utils/mockApi.ts
index 882943ab61..2963821113 100644
--- a/playwright/utils/mockApi.ts
+++ b/playwright/utils/mockApi.ts
@@ -1,4 +1,5 @@
 import { BrowserContext, Page } from '@playwright/test'
+import type { AccountsRow } from '../../src/vendors/oasisscan/index'
 
 export async function mockApi(context: BrowserContext | Page, balance: number) {
   await context.route('**/chain/account/info/*', route => {
@@ -14,7 +15,7 @@ export async function mockApi(context: BrowserContext | Page, balance: number) {
           total: '0',
           nonce: 1,
           allowances: [],
-        },
+        } satisfies AccountsRow,
       }),
     })
   })