diff --git a/test/TestExpectations.json b/test/TestExpectations.json
index bf06b1e7d2a..dd5d3bd694c 100644
--- a/test/TestExpectations.json
+++ b/test/TestExpectations.json
@@ -681,13 +681,6 @@
     "expectations": ["FAIL"],
     "comment": "TODO: add a comment explaining why this expectation is required (include links to issues)"
   },
-  {
-    "testIdPattern": "[page.spec] Page Page.setUserAgent *",
-    "platforms": ["darwin", "linux", "win32"],
-    "parameters": ["firefox", "webDriverBiDi"],
-    "expectations": ["SKIP"],
-    "comment": "Firefox does not support headers override"
-  },
   {
     "testIdPattern": "[pdf.spec] Page.pdf *",
     "platforms": ["darwin", "linux", "win32"],
@@ -1365,13 +1358,6 @@
     "expectations": ["SKIP"],
     "comment": "TODO: add a comment explaining why this expectation is required (include links to issues)"
   },
-  {
-    "testIdPattern": "[emulation.spec] Emulation Page.emulate should support clicking",
-    "platforms": ["darwin", "linux", "win32"],
-    "parameters": ["firefox", "webDriverBiDi"],
-    "expectations": ["SKIP"],
-    "comment": "Firefox does not support headers override"
-  },
   {
     "testIdPattern": "[emulation.spec] Emulation Page.emulateCPUThrottling should change the CPU throttling rate successfully",
     "platforms": ["darwin", "linux", "win32"],
@@ -3226,6 +3212,13 @@
     "expectations": ["FAIL"],
     "comment": "TODO: add a comment explaining why this expectation is required (include links to issues)"
   },
+  {
+    "testIdPattern": "[page.spec] Page Page.setUserAgent should work with additional userAgentMetdata",
+    "platforms": ["darwin", "linux", "win32"],
+    "parameters": ["firefox", "webDriverBiDi"],
+    "expectations": ["FAIL"],
+    "comment": "Chrome-specific test"
+  },
   {
     "testIdPattern": "[pdf.spec] Page.pdf can print to PDF with outline",
     "platforms": ["darwin", "linux", "win32"],
@@ -3322,13 +3315,6 @@
     "expectations": ["SKIP"],
     "comment": "TODO: Needs support for data URIs in Firefox https://bugzilla.mozilla.org/show_bug.cgi?id=1805176"
   },
-  {
-    "testIdPattern": "[requestinterception-experimental.spec] cooperative request interception Page.setRequestInterception should be able to remove headers",
-    "platforms": ["darwin", "linux", "win32"],
-    "parameters": ["firefox", "webDriverBiDi"],
-    "expectations": ["SKIP"],
-    "comment": "TODO: Needs investigation, on Firefox the test is passing even if the origin header is not removed"
-  },
   {
     "testIdPattern": "[requestinterception-experimental.spec] cooperative request interception Page.setRequestInterception should be abortable with custom error codes",
     "platforms": ["darwin", "linux", "win32"],
@@ -3385,13 +3371,6 @@
     "expectations": ["SKIP"],
     "comment": "TODO: Needs support for enabling cache in BiDi without CDP https://github.com/w3c/webdriver-bidi/issues/582"
   },
-  {
-    "testIdPattern": "[requestinterception-experimental.spec] cooperative request interception Page.setRequestInterception should work when header manipulation headers with redirect",
-    "platforms": ["darwin", "linux", "win32"],
-    "parameters": ["firefox", "webDriverBiDi"],
-    "expectations": ["SKIP"],
-    "comment": "TODO: Needs investigation, on Firefox the test is passing even if headers are not actually modified"
-  },
   {
     "testIdPattern": "[requestinterception-experimental.spec] cooperative request interception Page.setRequestInterception should work with encoded server - 2",
     "platforms": ["darwin", "linux", "win32"],
@@ -3475,13 +3454,6 @@
     "expectations": ["SKIP"],
     "comment": "TODO: Needs support for data URIs in Firefox https://bugzilla.mozilla.org/show_bug.cgi?id=1805176"
   },
-  {
-    "testIdPattern": "[requestinterception.spec] request interception Page.setRequestInterception should be able to remove headers",
-    "platforms": ["darwin", "linux", "win32"],
-    "parameters": ["firefox", "webDriverBiDi"],
-    "expectations": ["SKIP"],
-    "comment": "TODO: Needs investigation, on Firefox the test is passing even if the origin header is not removed"
-  },
   {
     "testIdPattern": "[requestinterception.spec] request interception Page.setRequestInterception should be abortable with custom error codes",
     "platforms": ["darwin", "linux", "win32"],
@@ -3531,13 +3503,6 @@
     "expectations": ["SKIP"],
     "comment": "TODO: Needs support for enabling cache in BiDi without CDP https://github.com/w3c/webdriver-bidi/issues/582"
   },
-  {
-    "testIdPattern": "[requestinterception.spec] request interception Page.setRequestInterception should work when header manipulation headers with redirect",
-    "platforms": ["darwin", "linux", "win32"],
-    "parameters": ["firefox", "webDriverBiDi"],
-    "expectations": ["SKIP"],
-    "comment": "TODO: Needs investigation, on Firefox the test is passing even if headers are not actually modified"
-  },
   {
     "testIdPattern": "[requestinterception.spec] request interception Page.setRequestInterception should work with encoded server - 2",
     "platforms": ["darwin", "linux", "win32"],
diff --git a/test/src/requestinterception-experimental.spec.ts b/test/src/requestinterception-experimental.spec.ts
index f8437b36d2f..48feba5f14f 100644
--- a/test/src/requestinterception-experimental.spec.ts
+++ b/test/src/requestinterception-experimental.spec.ts
@@ -178,7 +178,7 @@ describe('cooperative request interception', function () {
       page.on('request', request => {
         const headers = Object.assign({}, request.headers(), {
           foo: 'bar',
-          origin: undefined, // remove "origin" header
+          accept: undefined, // remove "accept" header
         });
         void request.continue({headers}, 0);
       });
@@ -188,7 +188,7 @@ describe('cooperative request interception', function () {
         page.goto(server.PREFIX + '/empty.html'),
       ]);
 
-      expect(serverRequest.headers.origin).toBe(undefined);
+      expect(serverRequest.headers.accept).toBe(undefined);
     });
     it('should contain referer header', async () => {
       const {page, server} = await getTestState();