diff --git a/app/scripts/metamask-controller.test.js b/app/scripts/metamask-controller.test.js
index 67103aee5db5..53badde1d9ec 100644
--- a/app/scripts/metamask-controller.test.js
+++ b/app/scripts/metamask-controller.test.js
@@ -1248,6 +1248,8 @@ describe('MetaMaskController', () => {
         };
 
         const { promise, resolve } = deferredPromise();
+        const { promise: promiseStream, resolve: resolveStream } =
+          deferredPromise();
         const streamTest = createThroughStream((chunk, _, cb) => {
           if (chunk.name !== 'metamask-phishing-safelist') {
             cb();
@@ -1270,10 +1272,12 @@ describe('MetaMaskController', () => {
           expect(
             metamaskController.backToSafetyPhishingWarning,
           ).toHaveBeenCalled();
+          resolveStream();
         });
 
         await promise;
         streamTest.end();
+        await promiseStream;
       });
     });
 
@@ -1316,6 +1320,8 @@ describe('MetaMaskController', () => {
         };
 
         const { promise, resolve } = deferredPromise();
+        const { promise: promiseStream, resolve: resolveStream } =
+          deferredPromise();
         const streamTest = createThroughStream((chunk, _, cb) => {
           if (chunk.name !== METAMASK_COOKIE_HANDLER) {
             cb();
@@ -1333,10 +1339,12 @@ describe('MetaMaskController', () => {
           expect(
             localMetaMaskController.getCookieFromMarketingPage,
           ).toHaveBeenCalledWith({ ga_client_id: 'XYZ.ABC' });
+          resolveStream();
         });
 
         await promise;
         streamTest.end();
+        await promiseStream;
       });
     });