diff --git a/gulpfile.js b/gulpfile.js
index c1012d5aa..f4c9fc9dd 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -195,6 +195,21 @@ gulp.task('manifest:production', function () {
   .pipe(gulp.dest('./dist/', { overwrite: true }))
 })
 
+gulp.task('manifest:testing', function () {
+  return gulp.src([
+    './dist/firefox/manifest.json',
+    './dist/chrome/manifest.json',
+  ], {base: './dist/'})
+
+  // Exclude chromereload script in production:
+  .pipe(jsoneditor(function (json) {
+    json.permissions = [...json.permissions, 'webRequestBlocking']
+    return json
+  }))
+
+  .pipe(gulp.dest('./dist/', { overwrite: true }))
+})
+
 gulp.task('copy',
   gulp.series(
     gulp.parallel(...copyTaskNames),
@@ -212,6 +227,15 @@ gulp.task('dev:copy',
   )
 )
 
+gulp.task('test:copy',
+  gulp.series(
+    gulp.parallel(...copyDevTaskNames),
+    'manifest:chrome',
+    'manifest:opera',
+    'manifest:testing'
+  )
+)
+
 // scss compilation and autoprefixing tasks
 
 gulp.task('build:scss', createScssBuildTask({
@@ -383,6 +407,18 @@ gulp.task('dev',
   )
 )
 
+gulp.task('dev:test',
+  gulp.series(
+    'clean',
+    'dev:scss',
+    gulp.parallel(
+      'dev:extension:js',
+      'test:copy',
+      'dev:reload'
+    )
+  )
+)
+
 gulp.task('dev:extension',
   gulp.series(
     'clean',
diff --git a/package.json b/package.json
index 873d53222..79451612c 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "dist": "gulp dist",
     "doc": "jsdoc -c development/tools/.jsdoc.json",
     "publish-docs": "gh-pages -d docs/jsdocs",
+    "start:test": "gulp dev:test",
     "test": "npm run test:unit && npm run test:integration && npm run lint",
     "watch:test:unit": "nodemon --exec \"npm run test:unit\" ./test ./app ./ui",
     "test:unit": "cross-env METAMASK_ENV=test mocha --exit --require test/setup.js --recursive \"test/unit/**/*.js\" \"ui/app/**/*.test.js\"",
diff --git a/test/e2e/beta/from-import-beta-ui.spec.js b/test/e2e/beta/from-import-beta-ui.spec.js
index 8aa0fb628..962ca690a 100644
--- a/test/e2e/beta/from-import-beta-ui.spec.js
+++ b/test/e2e/beta/from-import-beta-ui.spec.js
@@ -76,7 +76,18 @@ describe('Using MetaMask with an existing account', function () {
       'Promise.resolve({ json: () => Promise.resolve(JSON.parse(\'' + fetchMockResponses.metametrics + '\')) }); } else if ' +
       '(args[0] === "https://dev.blockscale.net/api/gasexpress.json") { return ' +
       'Promise.resolve({ json: () => Promise.resolve(JSON.parse(\'' + fetchMockResponses.gasExpress + '\')) }); } ' +
-      'return window.origFetch(...args); }'
+      'return window.origFetch(...args); };' +
+      'function cancelInfuraRequest(requestDetails) {' +
+        'console.log("Canceling: " + requestDetails.url);' +
+        'return {' +
+          'cancel: true' +
+        '};' +
+     ' }' +
+      'window.chrome && window.chrome.webRequest && window.chrome.webRequest.onBeforeRequest.addListener(' +
+        'cancelInfuraRequest,' +
+        '{urls: ["https://*.infura.io/*"]},' +
+        '["blocking"]' +
+      ');'
     )
   })
 
diff --git a/test/e2e/beta/metamask-beta-responsive-ui.spec.js b/test/e2e/beta/metamask-beta-responsive-ui.spec.js
index 6df1da051..b1ed8536e 100644
--- a/test/e2e/beta/metamask-beta-responsive-ui.spec.js
+++ b/test/e2e/beta/metamask-beta-responsive-ui.spec.js
@@ -75,7 +75,18 @@ describe('MetaMask', function () {
       'Promise.resolve({ json: () => Promise.resolve(JSON.parse(\'' + fetchMockResponses.metametrics + '\')) }); } else if ' +
       '(args[0] === "https://dev.blockscale.net/api/gasexpress.json") { return ' +
       'Promise.resolve({ json: () => Promise.resolve(JSON.parse(\'' + fetchMockResponses.gasExpress + '\')) }); } ' +
-      'return window.origFetch(...args); }'
+      'return window.origFetch(...args); };' +
+      'function cancelInfuraRequest(requestDetails) {' +
+        'console.log("Canceling: " + requestDetails.url);' +
+        'return {' +
+          'cancel: true' +
+        '};' +
+     ' }' +
+      'window.chrome && window.chrome.webRequest && window.chrome.webRequest.onBeforeRequest.addListener(' +
+        'cancelInfuraRequest,' +
+        '{urls: ["https://*.infura.io/*"]},' +
+        '["blocking"]' +
+      ');'
     )
   })
 
diff --git a/test/e2e/beta/metamask-beta-ui.spec.js b/test/e2e/beta/metamask-beta-ui.spec.js
index 2700d1656..202a0052d 100644
--- a/test/e2e/beta/metamask-beta-ui.spec.js
+++ b/test/e2e/beta/metamask-beta-ui.spec.js
@@ -80,7 +80,18 @@ describe('MetaMask', function () {
       'Promise.resolve({ json: () => Promise.resolve(JSON.parse(\'' + fetchMockResponses.metametrics + '\')) }); } else if ' +
       '(args[0] === "https://dev.blockscale.net/api/gasexpress.json") { return ' +
       'Promise.resolve({ json: () => Promise.resolve(JSON.parse(\'' + fetchMockResponses.gasExpress + '\')) }); } ' +
-      'return window.origFetch(...args); }'
+      'return window.origFetch(...args); };' +
+      'function cancelInfuraRequest(requestDetails) {' +
+        'console.log("Canceling: " + requestDetails.url);' +
+        'return {' +
+          'cancel: true' +
+        '};' +
+     ' }' +
+      'window.chrome && window.chrome.webRequest && window.chrome.webRequest.onBeforeRequest.addListener(' +
+        'cancelInfuraRequest,' +
+        '{urls: ["https://*.infura.io/*"]},' +
+        '["blocking"]' +
+      ');'
     )
   })
 
@@ -1015,11 +1026,13 @@ describe('MetaMask', function () {
 
       const functionType = await findElement(driver, By.css('.confirm-page-container-content__function-type'))
       const functionTypeText = await functionType.getText()
-      assert.equal(functionTypeText, 'Transfer')
+      assert.equal(functionTypeText, 'Not Found')
 
       const confirmDataDiv = await findElement(driver, By.css('.confirm-page-container-content__data-box'))
       const confirmDataText = await confirmDataDiv.getText()
-      assert.equal(confirmDataText.match(/0xa9059cbb0000000000000000000000002f318c334780961fb129d2a6c30d0763d9a5c97/))
+
+      await delay(regularDelayMs)
+      assert(confirmDataText.match(/0xa9059cbb0000000000000000000000002f318c334780961fb129d2a6c30d0763d9a5c97/))
 
       const detailsTab = await findElement(driver, By.xpath(`//li[contains(text(), 'Details')]`))
       detailsTab.click()
@@ -1191,7 +1204,7 @@ describe('MetaMask', function () {
 
       const functionType = await findElement(driver, By.css('.confirm-page-container-content__function-type'))
       const functionTypeText = await functionType.getText()
-      assert.equal(functionTypeText, 'Approve')
+      assert.equal(functionTypeText, 'Not Found')
 
       const confirmDataDiv = await findElement(driver, By.css('.confirm-page-container-content__data-box'))
       const confirmDataText = await confirmDataDiv.getText()