diff --git a/client/coral-sign-in/components/SignInContent.js b/client/coral-sign-in/components/SignInContent.js
index 76a93f56c..e7b97e529 100644
--- a/client/coral-sign-in/components/SignInContent.js
+++ b/client/coral-sign-in/components/SignInContent.js
@@ -56,7 +56,7 @@ const SignInContent = ({handleChange, formData, ...props}) => (
       <span><a onClick={() => props.changeView('FORGOT')}>{lang.t('signIn.forgotYourPass')}</a></span>
       <span>
         {lang.t('signIn.needAnAccount')}
-        <a onClick={() => props.changeView('SIGNUP')}>
+        <a onClick={() => props.changeView('SIGNUP')} id='coralRegister'>
           {lang.t('signIn.register')}
         </a>
       </span>
diff --git a/client/coral-sign-in/components/SignUpContent.js b/client/coral-sign-in/components/SignUpContent.js
index 478971556..5d11ae90f 100644
--- a/client/coral-sign-in/components/SignUpContent.js
+++ b/client/coral-sign-in/components/SignUpContent.js
@@ -69,7 +69,7 @@ const SignUpContent = ({handleChange, formData, ...props}) => (
       />
       <div className={styles.action}>
         { !props.auth.isLoading && !props.auth.successSignUp && (
-          <Button type="submit" cStyle="black" className={styles.signInButton}>
+          <Button type="submit" cStyle="black" id='coralSignUpButton' className={styles.signInButton}>
             {lang.t('signIn.signUp')}
           </Button>
         )}
diff --git a/client/coral-sign-in/containers/SignInContainer.js b/client/coral-sign-in/containers/SignInContainer.js
index fc85fd3c4..e52460acb 100644
--- a/client/coral-sign-in/containers/SignInContainer.js
+++ b/client/coral-sign-in/containers/SignInContainer.js
@@ -127,7 +127,7 @@ class SignInContainer extends Component {
     const {auth, showSignInDialog} = this.props;
     return (
       <div>
-        <Button onClick={showSignInDialog}>
+        <Button onClick={showSignInDialog} id='coralSignInButton'>
           Sign in to comment
         </Button>
         <SignDialog
diff --git a/tests/e2e/tests/EmbedStreamTests.js b/tests/e2e/tests/EmbedStreamTests.js
index 716db93db..427d744af 100644
--- a/tests/e2e/tests/EmbedStreamTests.js
+++ b/tests/e2e/tests/EmbedStreamTests.js
@@ -2,7 +2,11 @@ const utils = require('../../utils/e2e-mongoose');
 const Setting = require('../../../models/setting');
 const fetch = require('node-fetch');
 
-const comment = 'This is a test comment.';
+const mockComment = 'This is a test comment.';
+const mockUser = {
+  email: 'test@test.com',
+  pw: 'testtesttest'
+}
 
 module.exports = {
   '@tags': ['embed-stream', 'post'],
@@ -18,15 +22,24 @@ module.exports = {
       })
     });
   },
-  'User posts a comment': client => {
+  'User signs in and posts a comment': client => {
     client.resizeWindow(1200, 800)
     .url(client.globals.baseUrl)
     .frame('coralStreamIframe')
-    .waitForElementVisible('#commentBox', 2000)
-    .setValue('#commentBox .coral-plugin-commentbox-textarea', comment)
+    .waitForElementVisible('#coralSignInButton', 2000)
+    .click('#coralSignInButton')
+    .waitForElementVisible('#coralRegister', 1000)
+    .click('#coralRegister')
+    .waitForElementVisible('#email', 1000)
+    .setValue('#email', mockUser.email)
+    .setValue('#password', mockUser.pw)
+    .setValue('#confirmPassword', mockUser.pw)
+    .click('#coralSignUpButton')
+    .waitForElementVisible('#commentBox', 1000)
+    .setValue('#commentBox .coral-plugin-commentbox-textarea', mockComment)
     .click('#commentBox .coral-plugin-commentbox-button')
     .waitForElementVisible('.comment', 1000)
-    .assert.containsText('.comment', comment);
+    .assert.containsText('.comment', mockComment);
   },
   after: client => {
     utils.after();