diff --git a/.github/workflows/ui_tests.yml b/.github/workflows/ui_tests.yml
index e23a7b7bb4..de3d6693c4 100644
--- a/.github/workflows/ui_tests.yml
+++ b/.github/workflows/ui_tests.yml
@@ -43,6 +43,7 @@ jobs:
       - name: Run Playwright tests
         env:
           NEXT_PUBLIC_PROJECT_ID: ${{ secrets.NEXT_PUBLIC_PROJECT_ID }}
+          NEXTAUTH_SECRET: ${{ secrets.TESTS_NEXTAUTH_SECRET }}
         working-directory: ./apps/laboratory/
         run: npm run playwright:test
       - uses: actions/upload-artifact@v3
diff --git a/apps/laboratory/playwright.config.ts b/apps/laboratory/playwright.config.ts
index fccd3d052f..6231eb6133 100644
--- a/apps/laboratory/playwright.config.ts
+++ b/apps/laboratory/playwright.config.ts
@@ -14,7 +14,7 @@ export default defineConfig<ModalFixture>({
   reporter: [['list'], ['html']],
 
   expect: {
-    timeout: (process.env['CI'] ? 60 : 5) * 1000
+    timeout: (process.env['CI'] ? 60 : 15) * 1000
   },
   timeout: 60 * 1000,
 
diff --git a/apps/laboratory/src/constants.ts b/apps/laboratory/src/constants.ts
index 3e953fa98a..666456db8c 100644
--- a/apps/laboratory/src/constants.ts
+++ b/apps/laboratory/src/constants.ts
@@ -1,2 +1,3 @@
 export const SigningSucceededToastTitle = 'Signing Succeeded'
 export const SigningFailedToastTitle = 'Signing Failed'
+export const TestIdSiweAuthenticationStatus = 'w3m-authentication-status'
diff --git a/apps/laboratory/src/pages/library/ethers-siwe.tsx b/apps/laboratory/src/pages/library/ethers-siwe.tsx
index 2caf26c92c..4373ddc636 100644
--- a/apps/laboratory/src/pages/library/ethers-siwe.tsx
+++ b/apps/laboratory/src/pages/library/ethers-siwe.tsx
@@ -21,6 +21,7 @@ import {
 } from '../../utils/ChainsUtil'
 import type { SIWECreateMessageArgs, SIWESession, SIWEVerifyMessageArgs } from '@web3modal/core'
 import { createSIWEConfig } from '@web3modal/siwe'
+import { TestIdSiweAuthenticationStatus } from '../../constants'
 
 const projectId = process.env['NEXT_PUBLIC_PROJECT_ID']
 if (!projectId) {
@@ -133,7 +134,7 @@ export default function EthersSiwe() {
       </Center>
       <Center h="65vh">
         <VStack gap={4}>
-          <Text>SIWE Status: {status}</Text>
+          <Text data-testid={TestIdSiweAuthenticationStatus}>SIWE Status: {status}</Text>
           {session && (
             <>
               <Text>Network: eip155:{session.chainId}</Text>
diff --git a/apps/laboratory/src/pages/library/wagmi-siwe.tsx b/apps/laboratory/src/pages/library/wagmi-siwe.tsx
index 18c0a5657b..82aa01a96f 100644
--- a/apps/laboratory/src/pages/library/wagmi-siwe.tsx
+++ b/apps/laboratory/src/pages/library/wagmi-siwe.tsx
@@ -23,6 +23,7 @@ import { NetworksButton } from '../../components/NetworksButton'
 import { ThemeStore } from '../../utils/StoreUtil'
 import type { SIWEVerifyMessageArgs, SIWECreateMessageArgs, SIWESession } from '@web3modal/core'
 import { createSIWEConfig } from '@web3modal/siwe'
+import { TestIdSiweAuthenticationStatus } from '../../constants'
 
 // 1. Get projectId
 const projectId = process.env['NEXT_PUBLIC_PROJECT_ID']
@@ -145,7 +146,7 @@ export default function Wagmi() {
       </Center>
       <Center h="65vh">
         <VStack gap={4}>
-          <Text>Status: {status}</Text>
+          <Text data-testid={TestIdSiweAuthenticationStatus}>Status: {status}</Text>
           {session && (
             <>
               <Text>Network: eip155:{session.chainId}</Text>
diff --git a/apps/laboratory/tests/shared/fixtures/w3m-fixture.ts b/apps/laboratory/tests/shared/fixtures/w3m-fixture.ts
index a19d813a01..68e49bb8a2 100644
--- a/apps/laboratory/tests/shared/fixtures/w3m-fixture.ts
+++ b/apps/laboratory/tests/shared/fixtures/w3m-fixture.ts
@@ -13,7 +13,19 @@ export interface ModalFixture {
 export const testM = base.extend<ModalFixture>({
   library: ['wagmi', { option: true }],
   modalPage: async ({ page, library }, use) => {
-    const modalPage = new ModalPage(page, library)
+    const modalPage = new ModalPage(page, library, 'default')
+    await modalPage.load()
+    await use(modalPage)
+  },
+  modalValidator: async ({ modalPage }, use) => {
+    const modalValidator = new ModalValidator(modalPage.page)
+    await use(modalValidator)
+  }
+})
+export const testMSiwe = base.extend<ModalFixture>({
+  library: ['wagmi', { option: true }],
+  modalPage: async ({ page, library }, use) => {
+    const modalPage = new ModalPage(page, library, 'siwe')
     await modalPage.load()
     await use(modalPage)
   },
diff --git a/apps/laboratory/tests/shared/fixtures/w3m-wallet-fixture.ts b/apps/laboratory/tests/shared/fixtures/w3m-wallet-fixture.ts
index 0c1a57067e..e8fab9c619 100644
--- a/apps/laboratory/tests/shared/fixtures/w3m-wallet-fixture.ts
+++ b/apps/laboratory/tests/shared/fixtures/w3m-wallet-fixture.ts
@@ -1,4 +1,4 @@
-import { testM as base } from './w3m-fixture'
+import { testM as base, testMSiwe as siwe } from './w3m-fixture'
 import { WalletPage } from '../pages/WalletPage'
 import { WalletValidator } from '../validators/WalletValidator'
 
@@ -26,4 +26,21 @@ export const testMW = base.extend<ModalWalletFixture>({
     await use(walletValidator)
   }
 })
+export const testMWSiwe = siwe.extend<ModalWalletFixture>({
+  walletPage: async ({ context, browserName }, use) => {
+    // WalletPage needs clipboard permissions with chromium to paste URI
+    if (browserName === 'chromium') {
+      await context.grantPermissions(['clipboard-read', 'clipboard-write'])
+    }
+
+    // Use a new page, to open alongside the modal
+    const walletPage = new WalletPage(await context.newPage())
+    await walletPage.load()
+    await use(walletPage)
+  },
+  walletValidator: async ({ walletPage }, use) => {
+    const walletValidator = new WalletValidator(walletPage.page)
+    await use(walletValidator)
+  }
+})
 export { expect } from '@playwright/test'
diff --git a/apps/laboratory/tests/shared/pages/ModalPage.ts b/apps/laboratory/tests/shared/pages/ModalPage.ts
index bcfde2ce5b..10a94e3f03 100644
--- a/apps/laboratory/tests/shared/pages/ModalPage.ts
+++ b/apps/laboratory/tests/shared/pages/ModalPage.ts
@@ -1,24 +1,32 @@
 import type { Locator, Page } from '@playwright/test'
 import { BASE_URL } from '../constants'
 
+export type ModalFlavor = 'default' | 'siwe'
+
 export class ModalPage {
   private readonly baseURL = BASE_URL
 
   private readonly connectButton: Locator
+  private readonly url: string
 
   constructor(
     public readonly page: Page,
-    public readonly library: string
+    public readonly library: string,
+    public readonly flavor: ModalFlavor
   ) {
     this.connectButton = this.page.getByTestId('connect-button')
+    this.url =
+      flavor === 'siwe'
+        ? `${this.baseURL}library/${this.library}-siwe/`
+        : `${this.baseURL}library/${this.library}/`
   }
 
   async load() {
-    await this.page.goto(`${this.baseURL}library/${this.library}/`)
+    await this.page.goto(this.url)
   }
 
   async copyConnectUriToClipboard() {
-    await this.page.goto(`${this.baseURL}library/${this.library}/`)
+    await this.page.goto(this.url)
     await this.connectButton.click()
     await this.page.getByTestId('wallet-selector-walletconnect').click()
     await this.page.waitForTimeout(2000)
@@ -34,6 +42,14 @@ export class ModalPage {
     await this.page.getByTestId('sign-message-button').click()
   }
 
+  async promptSiwe() {
+    await this.page.getByTestId('w3m-connecting-siwe-sign').click()
+  }
+
+  async cancelSiwe() {
+    await this.page.getByTestId('w3m-connecting-siwe-cancel').click()
+  }
+
   async switchNetwork(network: string) {
     await this.page.getByTestId('account-button').click()
     await this.page.getByTestId('w3m-account-select-network').click()
diff --git a/apps/laboratory/tests/shared/validators/ModalValidator.ts b/apps/laboratory/tests/shared/validators/ModalValidator.ts
index 87bcc38082..243c277e05 100644
--- a/apps/laboratory/tests/shared/validators/ModalValidator.ts
+++ b/apps/laboratory/tests/shared/validators/ModalValidator.ts
@@ -9,6 +9,22 @@ export class ModalValidator {
     await expect(this.page.getByTestId('account-button')).toBeVisible()
   }
 
+  async expectAuthenticated() {
+    await expect(this.page.getByTestId('w3m-authentication-status')).toContainText(
+      'Status: authenticated'
+    )
+  }
+
+  async expectUnauthenticated() {
+    await expect(this.page.getByTestId('w3m-authentication-status')).toContainText(
+      'Status: unauthenticated'
+    )
+  }
+
+  async expectSignatureDeclined() {
+    await expect(this.page.getByText('Signature declined')).toBeVisible()
+  }
+
   async expectDisconnected() {
     await expect(this.page.getByTestId('account-button')).not.toBeVisible()
   }
diff --git a/apps/laboratory/tests/siwe.spec.ts b/apps/laboratory/tests/siwe.spec.ts
new file mode 100644
index 0000000000..51ecb622d8
--- /dev/null
+++ b/apps/laboratory/tests/siwe.spec.ts
@@ -0,0 +1,38 @@
+import { DEFAULT_SESSION_PARAMS } from './shared/constants'
+import { testMWSiwe } from './shared/fixtures/w3m-wallet-fixture'
+
+testMWSiwe.beforeEach(async ({ modalPage, walletPage }) => {
+  await modalPage.copyConnectUriToClipboard()
+  await walletPage.connect()
+  await walletPage.handleSessionProposal(DEFAULT_SESSION_PARAMS)
+})
+
+testMWSiwe.afterEach(async ({ modalValidator, walletValidator }) => {
+  await modalValidator.expectDisconnected()
+  await walletValidator.expectDisconnected()
+})
+
+testMWSiwe(
+  'it should sign in with ethereum',
+  async ({ modalPage, walletPage, modalValidator, walletValidator }) => {
+    await modalPage.promptSiwe()
+    await walletValidator.expectReceivedSign({})
+    await walletPage.handleRequest({ accept: true })
+    await modalValidator.expectAuthenticated()
+    await modalValidator.expectConnected()
+    await walletValidator.expectConnected()
+    await modalPage.disconnect()
+  }
+)
+
+testMWSiwe(
+  'it should reject sign in with ethereum',
+  async ({ modalPage, walletPage, modalValidator, walletValidator }) => {
+    await modalPage.promptSiwe()
+    await walletValidator.expectReceivedSign({})
+    await walletPage.handleRequest({ accept: false })
+    await modalValidator.expectSignatureDeclined()
+    await modalPage.cancelSiwe()
+    await modalValidator.expectUnauthenticated()
+  }
+)
diff --git a/packages/scaffold/src/views/w3m-connecting-siwe-view/index.ts b/packages/scaffold/src/views/w3m-connecting-siwe-view/index.ts
index f892155890..155e1d1079 100644
--- a/packages/scaffold/src/views/w3m-connecting-siwe-view/index.ts
+++ b/packages/scaffold/src/views/w3m-connecting-siwe-view/index.ts
@@ -45,7 +45,13 @@ export class W3mConnectingSiweView extends LitElement {
         >
       </wui-flex>
       <wui-flex .padding=${['l', 'xl', 'xl', 'xl'] as const} gap="s" justifyContent="space-between">
-        <wui-button size="md" ?fullwidth=${true} variant="shade" @click=${this.onCancel.bind(this)}>
+        <wui-button
+          size="md"
+          ?fullwidth=${true}
+          variant="shade"
+          @click=${this.onCancel.bind(this)}
+          data-testid="w3m-connecting-siwe-cancel"
+        >
           Cancel
         </wui-button>
         <wui-button
@@ -54,6 +60,7 @@ export class W3mConnectingSiweView extends LitElement {
           variant="fill"
           @click=${this.onSign.bind(this)}
           ?loading=${this.isSigning}
+          data-testid="w3m-connecting-siwe-sign"
         >
           ${this.isSigning ? 'Signing...' : 'Sign'}
         </wui-button>