Move /e2e -> /e2e-tests

e2e-tests/cypress/tests/extensions/Ignore-X-Frame-headers/background.js

@@ -0,0 +1,21 @@
+/* eslint-disable header/header */
+
+// taken from https://github.com/guilryder/chrome-extensions/tree/master/xframe_ignore
+
+/*global chrome*/
+
+var HEADERS_TO_STRIP_LOWERCASE = [
+    'content-security-policy',
+    'x-frame-options',
+];
+
+chrome.webRequest.onHeadersReceived.addListener(
+    (details) => {
+        return {
+            responseHeaders: details.responseHeaders.filter((header) => {
+                return HEADERS_TO_STRIP_LOWERCASE.indexOf(header.name.toLowerCase()) < 0;
+            }),
+        };
+    }, {
+        urls: ['<all_urls>'],
+    }, ['blocking', 'responseHeaders']);