diff --git a/test/e2e/helpers.js b/test/e2e/helpers.js
index 7d675788f5b..acdbd92af2f 100644
--- a/test/e2e/helpers.js
+++ b/test/e2e/helpers.js
@@ -748,7 +748,7 @@ async function clickSignOnRedesignedSignatureConfirmation({
   if (snapSigInsights) {
     // there is no condition we can wait for to know the snap is ready,
     // so we have to add a small delay as the last alternative to avoid flakiness.
-    await driver.delay(regularDelayMs);
+    await driver.delay(largeDelayMs);
   }
 
   await driver.clickElement({ text: 'Confirm', tag: 'button' });
diff --git a/test/e2e/tests/confirmations/transactions/erc20-approve-redesign.spec.ts b/test/e2e/tests/confirmations/transactions/erc20-approve-redesign.spec.ts
index 4e340f5ef3a..b75d71cda4c 100644
--- a/test/e2e/tests/confirmations/transactions/erc20-approve-redesign.spec.ts
+++ b/test/e2e/tests/confirmations/transactions/erc20-approve-redesign.spec.ts
@@ -4,6 +4,7 @@ import { tinyDelayMs, veryLargeDelayMs, WINDOW_TITLES } from '../../../helpers';
 import { Driver } from '../../../webdriver/driver';
 import { scrollAndConfirmAndAssertConfirm } from '../helpers';
 import {
+  mocked4BytesApprove,
   openDAppWithContract,
   TestSuiteArguments,
   toggleAdvancedDetails,
@@ -87,30 +88,6 @@ describe('Confirmation Redesign ERC20 Approve Component', function () {
   });
 });
 
-export async function mocked4BytesApprove(mockServer: MockttpServer) {
-  return await mockServer
-    .forGet('https://www.4byte.directory/api/v1/signatures/')
-    .always()
-    .withQuery({ hex_signature: '0x095ea7b3' })
-    .thenCallback(() => ({
-      statusCode: 200,
-      json: {
-        count: 1,
-        next: null,
-        previous: null,
-        results: [
-          {
-            id: 149,
-            created_at: '2016-07-09T03:58:29.617584Z',
-            text_signature: 'approve(address,uint256)',
-            hex_signature: '0x095ea7b3',
-            bytes_signature: '\t^§³',
-          },
-        ],
-      },
-    }));
-}
-
 async function mocks(server: MockttpServer) {
   return [await mocked4BytesApprove(server)];
 }
diff --git a/test/e2e/tests/confirmations/transactions/increase-token-allowance-redesign.spec.ts b/test/e2e/tests/confirmations/transactions/increase-token-allowance-redesign.spec.ts
index 30c87080c3f..82b995f217e 100644
--- a/test/e2e/tests/confirmations/transactions/increase-token-allowance-redesign.spec.ts
+++ b/test/e2e/tests/confirmations/transactions/increase-token-allowance-redesign.spec.ts
@@ -2,8 +2,6 @@ import FixtureBuilder from '../../../fixture-builder';
 import {
   defaultGanacheOptions,
   defaultGanacheOptionsForType2Transactions,
-  largeDelayMs,
-  veryLargeDelayMs,
   WINDOW_TITLES,
   withFixtures,
 } from '../../../helpers';
@@ -12,7 +10,12 @@ import ContractAddressRegistry from '../../../seeder/contract-address-registry';
 import { SMART_CONTRACTS } from '../../../seeder/smart-contracts';
 import { Driver } from '../../../webdriver/driver';
 import { scrollAndConfirmAndAssertConfirm } from '../helpers';
-import { openDAppWithContract, TestSuiteArguments } from './shared';
+import {
+  assertChangedSpendingCap,
+  editSpendingCap,
+  openDAppWithContract,
+  TestSuiteArguments,
+} from './shared';
 
 describe('Confirmation Redesign ERC20 Increase Allowance', function () {
   describe('Submit an increase allowance transaction @no-mmi', function () {
@@ -158,42 +161,3 @@ async function createERC20IncreaseAllowanceTransaction(driver: Driver) {
   await driver.switchToWindowWithTitle(WINDOW_TITLES.TestDApp);
   await driver.clickElement('#increaseTokenAllowance');
 }
-
-export async function editSpendingCap(driver: Driver, newSpendingCap: string) {
-  await driver.switchToWindowWithTitle(WINDOW_TITLES.Dialog);
-  await driver.clickElement('[data-testid="edit-spending-cap-icon"');
-
-  await driver.fill(
-    '[data-testid="custom-spending-cap-input"]',
-    newSpendingCap,
-  );
-
-  await driver.delay(largeDelayMs);
-
-  await driver.clickElement({ text: 'Save', tag: 'button' });
-
-  // wait for the confirmation to be updated before submitting tx
-  await driver.delay(veryLargeDelayMs * 2);
-}
-
-export async function assertChangedSpendingCap(
-  driver: Driver,
-  newSpendingCap: string,
-) {
-  await driver.switchToWindowWithTitle(WINDOW_TITLES.ExtensionInFullScreenView);
-
-  await driver.clickElement({ text: 'Activity', tag: 'button' });
-
-  await driver.delay(veryLargeDelayMs);
-
-  await driver.clickElement(
-    '.transaction-list__completed-transactions .activity-list-item:nth-of-type(1)',
-  );
-
-  await driver.waitForSelector({
-    text: `${newSpendingCap} TST`,
-    tag: 'span',
-  });
-
-  await driver.waitForSelector({ text: 'Confirmed', tag: 'div' });
-}
diff --git a/test/e2e/tests/confirmations/transactions/revoke-allowance-redesign.spec.ts b/test/e2e/tests/confirmations/transactions/revoke-allowance-redesign.spec.ts
index ba97d9cda4c..227fdb14ec8 100644
--- a/test/e2e/tests/confirmations/transactions/revoke-allowance-redesign.spec.ts
+++ b/test/e2e/tests/confirmations/transactions/revoke-allowance-redesign.spec.ts
@@ -3,12 +3,13 @@ import { MockttpServer } from 'mockttp';
 import { WINDOW_TITLES } from '../../../helpers';
 import { Driver } from '../../../webdriver/driver';
 import { scrollAndConfirmAndAssertConfirm } from '../helpers';
-import { mocked4BytesApprove } from './erc20-approve-redesign.spec';
 import {
   assertChangedSpendingCap,
   editSpendingCap,
-} from './increase-token-allowance-redesign.spec';
-import { openDAppWithContract, TestSuiteArguments } from './shared';
+  mocked4BytesApprove,
+  openDAppWithContract,
+  TestSuiteArguments,
+} from './shared';
 
 const {
   defaultGanacheOptions,
diff --git a/test/e2e/tests/confirmations/transactions/shared.ts b/test/e2e/tests/confirmations/transactions/shared.ts
index f984417fae9..d8f79a2053b 100644
--- a/test/e2e/tests/confirmations/transactions/shared.ts
+++ b/test/e2e/tests/confirmations/transactions/shared.ts
@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/no-require-imports, @typescript-eslint/no-var-requires */
-import { MockedEndpoint } from 'mockttp';
-import { veryLargeDelayMs } from '../../../helpers';
+import { MockedEndpoint, MockttpServer } from 'mockttp';
+import { largeDelayMs, veryLargeDelayMs } from '../../../helpers';
 import { Ganache } from '../../../seeder/ganache';
 import ContractAddressRegistry from '../../../seeder/contract-address-registry';
 import { Driver } from '../../../webdriver/driver';
@@ -238,3 +238,66 @@ export async function assertAdvancedGasDetailsWithL2Breakdown(driver: Driver) {
   await driver.waitForSelector({ css: 'p', text: 'Speed' });
   await driver.waitForSelector({ css: 'p', text: 'Max fee' });
 }
+
+export async function editSpendingCap(driver: Driver, newSpendingCap: string) {
+  await driver.switchToWindowWithTitle(WINDOW_TITLES.Dialog);
+  await driver.clickElement('[data-testid="edit-spending-cap-icon"');
+
+  await driver.fill(
+    '[data-testid="custom-spending-cap-input"]',
+    newSpendingCap,
+  );
+
+  await driver.delay(largeDelayMs);
+
+  await driver.clickElement({ text: 'Save', tag: 'button' });
+
+  // wait for the confirmation to be updated before submitting tx
+  await driver.delay(veryLargeDelayMs * 2);
+}
+
+export async function assertChangedSpendingCap(
+  driver: Driver,
+  newSpendingCap: string,
+) {
+  await driver.switchToWindowWithTitle(WINDOW_TITLES.ExtensionInFullScreenView);
+
+  await driver.clickElement({ text: 'Activity', tag: 'button' });
+
+  await driver.delay(veryLargeDelayMs);
+
+  await driver.clickElement(
+    '.transaction-list__completed-transactions .activity-list-item:nth-of-type(1)',
+  );
+
+  await driver.waitForSelector({
+    text: `${newSpendingCap} TST`,
+    tag: 'span',
+  });
+
+  await driver.waitForSelector({ text: 'Confirmed', tag: 'div' });
+}
+
+export async function mocked4BytesApprove(mockServer: MockttpServer) {
+  return await mockServer
+    .forGet('https://www.4byte.directory/api/v1/signatures/')
+    .always()
+    .withQuery({ hex_signature: '0x095ea7b3' })
+    .thenCallback(() => ({
+      statusCode: 200,
+      json: {
+        count: 1,
+        next: null,
+        previous: null,
+        results: [
+          {
+            id: 149,
+            created_at: '2016-07-09T03:58:29.617584Z',
+            text_signature: 'approve(address,uint256)',
+            hex_signature: '0x095ea7b3',
+            bytes_signature: '\t^§³',
+          },
+        ],
+      },
+    }));
+}