diff --git a/test/TestExpectations.json b/test/TestExpectations.json
index 0295b89d5e3..67e0279f91a 100644
--- a/test/TestExpectations.json
+++ b/test/TestExpectations.json
@@ -2176,20 +2176,6 @@
     "expectations": ["SKIP"],
     "comment": "For some reason it times out on MacOS. Perhaps it's a bug in chromium-bidi"
   },
-  {
-    "testIdPattern": "[launcher.spec] Launcher specs Puppeteer Puppeteer.launch tmp profile should be cleaned up",
-    "platforms": ["darwin", "linux", "win32"],
-    "parameters": ["cdp", "firefox"],
-    "expectations": ["FAIL"],
-    "comment": "TODO: add a comment explaining why this expectation is required (include links to issues)"
-  },
-  {
-    "testIdPattern": "[launcher.spec] Launcher specs Puppeteer Puppeteer.launch tmp profile should be cleaned up",
-    "platforms": ["darwin", "linux", "win32"],
-    "parameters": ["firefox", "webDriverBiDi"],
-    "expectations": ["SKIP"],
-    "comment": "TODO: add a comment explaining why this expectation is required (include links to issues)"
-  },
   {
     "testIdPattern": "[locator.spec] Locator Locator.race races multiple locators",
     "platforms": ["darwin", "linux", "win32"],
diff --git a/test/src/launcher.spec.ts b/test/src/launcher.spec.ts
index dfbe16e0ee7..aeb97e9d5f6 100644
--- a/test/src/launcher.spec.ts
+++ b/test/src/launcher.spec.ts
@@ -214,7 +214,7 @@ describe('Launcher specs', function () {
         } catch {}
       });
       it('tmp profile should be cleaned up', async () => {
-        const {puppeteer} = await getTestState({skipLaunch: true});
+        const {puppeteer, isFirefox} = await getTestState({skipLaunch: true});
 
         // Set a custom test tmp dir so that we can validate that
         // the profile dir is created and then cleaned up.
@@ -231,9 +231,10 @@ describe('Launcher specs', function () {
           // One profile folder should have been created at this moment.
           const profiles = fs.readdirSync(testTmpDir);
           expect(profiles).toHaveLength(1);
-          expect(profiles[0]?.startsWith('puppeteer_dev_chrome_profile-')).toBe(
-            true
-          );
+          const expectedProfile = isFirefox
+            ? 'puppeteer_dev_firefox_profile-'
+            : 'puppeteer_dev_chrome_profile-';
+          expect(profiles[0]?.startsWith(expectedProfile)).toBe(true);
 
           // Open a page to make sure its functional.
           await context.newPage();