diff --git a/packages/snaps-execution-environments/src/common/endowments/endowments.test.browser.ts b/packages/snaps-execution-environments/src/common/endowments/endowments.test.browser.ts
index 888ce0070d..e84ec6b3cf 100644
--- a/packages/snaps-execution-environments/src/common/endowments/endowments.test.browser.ts
+++ b/packages/snaps-execution-environments/src/common/endowments/endowments.test.browser.ts
@@ -33,8 +33,8 @@ lockdown({
 globalThis.atob = harden(originalAtob);
 globalThis.btoa = harden(originalBtoa);
 
-const mockNotify = () => {
-  // no-op
+const mockNotify = async () => {
+  return Promise.resolve();
 };
 
 describe('endowments', () => {
@@ -150,8 +150,6 @@ describe('endowments', () => {
       },
       AbortSignal: {
         endowments: { AbortSignal },
-        // @ts-expect-error - `abort()` method exists in browser, but not in
-        // Node.js.
         factory: () => AbortSignal.abort(),
       },
       DateAttenuated: {
diff --git a/packages/snaps-execution-environments/src/common/lockdown/lockdown-events.test.browser.ts b/packages/snaps-execution-environments/src/common/lockdown/lockdown-events.test.browser.ts
index b94bcbfe5c..14087bffb4 100644
--- a/packages/snaps-execution-environments/src/common/lockdown/lockdown-events.test.browser.ts
+++ b/packages/snaps-execution-environments/src/common/lockdown/lockdown-events.test.browser.ts
@@ -1,10 +1,8 @@
-// eslint-disable-next-line import/unambiguous
-import { expect } from '@wdio/globals';
-
 import { executeLockdownEvents } from './lockdown-events';
 
 describe('lockdown events security', () => {
   it('should lockdown events and made event properties inaccessible', async () => {
+    const { expect } = await import('@wdio/globals');
     executeLockdownEvents();
 
     const eventTarget = new EventTarget();
diff --git a/packages/snaps-execution-environments/src/common/test-utils/endowments.ts b/packages/snaps-execution-environments/src/common/test-utils/endowments.ts
index 80e4233f53..60a0b35402 100644
--- a/packages/snaps-execution-environments/src/common/test-utils/endowments.ts
+++ b/packages/snaps-execution-environments/src/common/test-utils/endowments.ts
@@ -2,8 +2,8 @@
 import { walk } from '@lavamoat/lavatube';
 import { createIdRemapMiddleware } from '@metamask/json-rpc-engine';
 import ObjectMultiplex from '@metamask/object-multiplex';
-import { StreamProvider } from '@metamask/providers';
 import type { RequestArguments } from '@metamask/providers';
+import { StreamProvider } from '@metamask/providers';
 import { SNAP_STREAM_NAMES } from '@metamask/snaps-utils';
 
 import {
@@ -59,5 +59,5 @@ export function getMockedStreamProvider() {
     return await withTeardown(originalRequest(args), { lastTeardown: 0 });
   };
 
-  return proxyStreamProvider(provider, request);
+  return proxyStreamProvider(request);
 }