diff --git a/config/initdb_testing.js b/config/initdb_testing.js
index 2dde7384c..a2333bb3a 100644
--- a/config/initdb_testing.js
+++ b/config/initdb_testing.js
@@ -14,7 +14,11 @@ db.user.update(
       name: 'admin',
       img:
         '/images/blank_user.gif' /* needed for "has default avatar" e2e test */,
-      pwd: '21232f297a57a5a743894a0e4a801fc3' /* password = "admin" */
+      pwd: '21232f297a57a5a743894a0e4a801fc3' /* password = "admin" */,
+      'consent.lang': 'en'
+    },
+    $currentDate: {
+      'consent.date': true // => mongodb will store a ISODate in consent.date
     }
   },
   { upsert: true }
@@ -28,7 +32,11 @@ db.user.update(
       handle: 'dummy',
       name: 'dummy',
       img: '/images/blank_user.gif',
-      pwd: '21232f297a57a5a743894a0e4a801fc3' /* password = "admin" */
+      pwd: '21232f297a57a5a743894a0e4a801fc3' /* password = "admin" */,
+      'consent.lang': 'en'
+    },
+    $currentDate: {
+      'consent.date': true // => mongodb will store a ISODate in consent.date
     }
   },
   { upsert: true }
diff --git a/cypress/integration/acceptance.spec.ts b/cypress/integration/acceptance.spec.ts
index ed36a5d2e..8d6b2a010 100644
--- a/cypress/integration/acceptance.spec.ts
+++ b/cypress/integration/acceptance.spec.ts
@@ -1,5 +1,8 @@
 /// <reference types="Cypress" />
 
+// This end-to-end / functional test suite covers the happy path,
+// as inspired by https://www.youtube.com/watch?v=aZT8VlTV1YY
+
 context('Openwhyd', () => {
   it('should allow user to login', () => {
     cy.visit('/');
@@ -15,7 +18,183 @@ context('Openwhyd', () => {
       cy.get('form').submit();
       cy.get('#loginDiv .username').should('have.text', admin.name); // https://youtu.be/5XQOK0v_YRE?t=1430
     });
+  });
+
+  it('should allow a user to add a track', function() {
+    // should allow user to login
+    cy.loginAsAdmin();
+    cy.visit('/');
+
+    // should recognize a track when pasting a Youtube URL in the search box
+    cy.get('#q').type('https://www.youtube.com/watch?v=aZT8VlTV1YY');
+    cy.get('#searchResults').contains('Demo');
+
+    // should lead to a track page when clicking on the Youtube search result
+    cy.get('#searchResults li a')
+      .first()
+      .click();
+    cy.url().should('include', '/yt/aZT8VlTV1YY');
+
+    // should display the name of the track
+    cy.get('a.btnRepost[href*="Openwhyd Demo (formerly"]').should('exist');
+
+    // should open a dialog after clicking on the "Add to" button
+    cy.contains('Add to').click(); //$('a.btnRepost').click();
+    cy.get('.dlgPostBox').should('be.visible');
+
+    // should show a link to the post after adding the track
+    cy.wait(500); // TODO: we should not have to wait for the "Add" link to be clickable
+    cy.get('.dlgPostBox span')
+      .contains('Add')
+      .click();
+    cy.contains('your tracks'); // notification bar with link to "your tracks"
+
+    // should show the post on the user's profile after clicking the link
+    cy.get('a')
+      .contains('your tracks')
+      .click();
+    cy.url().should('include', '/u/');
+    cy.get('.post a[data-eid="/yt/aZT8VlTV1YY"]').should('be.visible');
+
+    // should open the playbar after the user clicks on the post
+    cy.get('.post a[data-eid="/yt/aZT8VlTV1YY"]').click();
+    cy.get('#btnPlay').should('be.visible');
+
+    // should play the track
+    cy.get('#btnPlay.playing').should('be.visible');
+
+    // should pause the track when the user clicks on the play/pause button
+    cy.get('#btnPlay').click();
+    cy.get('#btnPlay').should('not.have.class', 'playing');
+  });
+
+  it('should allow a visitor to sign up and follow the onboarding process', function() {
+    // should not let visitors access admin endpoints
+    cy.visit('/admin/config/config.json');
+    cy.get('pre').should('not.exist');
+
+    // should have Openwhyd in its title
+    cy.visit('/');
+    cy.title().should('include', 'Openwhyd');
+
+    // should lead new user to genre selection page
+    cy.visit('/');
+    cy.get('#signup').click();
+    cy.fixture('users.js').then(({ testUser }) => {
+      cy.get('input[name="name"]').type(testUser.username);
+      cy.get('input[name="email"]').type(testUser.email);
+      cy.get('input[name="password"]').type(testUser.pwd);
+    });
+    cy.get('input[type="submit"]').click();
+    cy.url().should('include', '/pick/genres');
+
+    // should suggest people to follow after picking genres
+    cy.get('#genreGallery li').as('genres');
+    cy.contains('Indie').click();
+    cy.contains('Rock').click();
+    cy.contains('Punk').click();
+    cy.contains('Next').click();
+    cy.url().should('include', '/pick/people');
+
+    // should suggest to install the extension after picking people
+    cy.contains('Next').click();
+    cy.url().should('include', '/pick/button');
+
+    // should lead new user to the gdpr consent page, after installing extension
+    cy.contains('Next').click();
+    cy.url().should('include', '/consent');
+
+    // should lead to the welcome page, after giving consent
+    cy.get('input[type="checkbox"]')
+      .first()
+      .click();
+    cy.get('form')
+      .first()
+      .submit();
+    cy.url().should('include', '/welcome');
+
+    // should display user name after skipping the welcome tutorial
+    cy.contains(`Ok, Got it`);
+    cy.fixture('users.js').then(({ testUser }) => {
+      cy.get('#loginDiv .username').should('have.text', testUser.username);
+    });
+
+    cy.logout();
+  });
+
+  it('should allow user to re-add a track into a playlist', function() {
+    // requirement: one track should be accessible from the user's stream
+    cy.fixture('users.js').then(({ dummy }) => {
+      cy.login(dummy);
+    });
+    cy.postDummyTracks(1);
+    cy.visit('/');
+
+    // should display a pop-in dialog when clicking the "Add to" button of that track
+    cy.scrollTo('bottom');
+    cy.get('.post')
+      .last() // because Cypress is scrolling down for some reason, making the first one unreachable. see https://github.com/cypress-io/cypress/issues/2353
+      .contains('Add to')
+      .click();
+    cy.get('.dlgPostBox').should('be.visible');
 
-    cy.wait(3000); // to check that we don't get any runtime javascript error
+    // should allow to create a new playlist
+    cy.get('#selPlaylist').should('be.visible');
+    cy.wait(1000); // leave some time for onclick handler to be setup => TODO: get rid of this!
+    cy.get('#selPlaylist').click();
+    cy.get('#newPlaylistName').type('test playlist');
+    cy.get('input[value="Create"]').click();
+    cy.get('#selPlaylist').contains('test playlist');
+
+    // should show a link to the post after re-adding the track
+    cy.get('.dlgPostBox span')
+      .contains('Add')
+      .click();
+    cy.get('.dlgPostBox').should('not.be.visible');
+    cy.contains('test playlist'); // notification bar with link
+
+    // should show the post on the user's new playlist after clicking the link
+    cy.get('a')
+      .contains('test playlist')
+      .click();
+    cy.url().should('include', '/u/');
+    cy.get('.post').should('have.length', 1);
+    cy.get('.post a[data-eid]').should('be.visible');
+  });
+
+  it('should allow user to manipulate comments', function() {
+    // requirement: at least one track should be accessible from the user's stream
+    cy.fixture('users.js').then(({ dummy }) => {
+      cy.login(dummy);
+    });
+    cy.postDummyTracks(1);
+
+    // comments should be visible from the user's stream
+    cy.visit('/stream');
+    cy.contains('Comment').click();
+    cy.contains('You can mention people');
+
+    // comment should appear after being added
+    cy.get('textarea').type('hello world\n');
+    cy.fixture('users.js').then(({ dummy }) => {
+      cy.get('.comments').contains(dummy.name);
+    });
+    cy.get('.comments').contains('hello world');
+
+    // TODO: it(`should change after being updated`, function() {
+
+    // TODO: it(`should disappear after being deleted`, function() {
+  });
+
+  it('should allow users to search external tracks', function() {
+    // should find a youtube track with id that starts with underscore
+    cy.visit('/');
+    cy.get('#q')
+      .click()
+      .type('http://www.youtube.com/watch?v=_BU841qpQsI');
+    const searchResult = `a[onclick="window.goToPage('/yt/_BU841qpQsI');return false;"]`;
+    cy.get(searchResult)
+      .should('be.visible')
+      .should('have.text', 'Los Van Van - Llegada'); // an empty string would mean that no metadata was fetched, caused to https://github.com/openwhyd/openwhyd/issues/102
   });
 });
diff --git a/cypress/integration/bookmarklet.spec.ts b/cypress/integration/bookmarklet.spec.ts
index 33a5ccec6..a68518128 100644
--- a/cypress/integration/bookmarklet.spec.ts
+++ b/cypress/integration/bookmarklet.spec.ts
@@ -1,8 +1,10 @@
 /// <reference types="Cypress" />
 
-context('Openwhyd', () => {
-  before('login', () => {
-    cy.loginAsAdmin();
+context('Openwhyd bookmarklet', () => {
+  beforeEach('login', () => {
+    cy.fixture('users.js').then(({ dummy }) => {
+      cy.login(dummy);
+    });
   });
 
   it('can add a track from a youtube page', () => {
diff --git a/cypress/support/commands.js b/cypress/support/commands.js
index 5a9f1ad1f..3251155bc 100644
--- a/cypress/support/commands.js
+++ b/cypress/support/commands.js
@@ -21,7 +21,6 @@ Cypress.Commands.add('logout', () => {
 
 Cypress.Commands.add('login', ({ email, md5 }) => {
   cy.request('GET', `/login?action=login&ajax=1&email=${email}&md5=${md5}`);
-  cy.request('POST', `/consent`);
 });
 
 Cypress.Commands.add('loginAsAdmin', () => {
diff --git a/cypress/support/index.js b/cypress/support/index.js
index 584af04f2..647b4e28d 100644
--- a/cypress/support/index.js
+++ b/cypress/support/index.js
@@ -18,7 +18,6 @@ require('./commands');
 beforeEach(function() {
   // reset the db before each it() test, across all files no matter what,
   // as recommended in https://docs.cypress.io/guides/references/best-practices.html#State-reset-should-go-before-each-test
-  cy.visit('about:blank');
   cy.resetDb();
   // Safety: this function will work only against the "openwhyd_test" database.
   // => otherwise, it fail throw and prevent tests from running.
diff --git a/test/specs/acceptance.tests.js b/test/specs/acceptance.tests.js
deleted file mode 100644
index 9e9bbb5b5..000000000
--- a/test/specs/acceptance.tests.js
+++ /dev/null
@@ -1,282 +0,0 @@
-var assert = require('assert');
-var { URL_PREFIX, ADMIN_USER, TEST_USER } = require('../fixtures.js');
-const webUI = require('../web-ui.js');
-
-const WAIT_DURATION = 10000;
-
-require('../acceptance-cmds.js'); // also checks that openwhyd's server is tested against the test database
-// TODO: make sure that DB was reset before starting Openwhyd's app server
-
-// reference scenario: https://www.youtube.com/watch?v=aZT8VlTV1YY
-
-describe('landing page page', function() {
-  it('should not let visitors access admin endpoints', function() {
-    browser.url(URL_PREFIX + '/admin/config/config.json');
-    assert(!$('pre').isExisting());
-  });
-
-  it('should have Openwhyd in its title', function() {
-    browser.url(URL_PREFIX);
-    var title = browser.getTitle();
-    assert(/Openwhyd/.test(title));
-  });
-
-  /*
-    it('should not have changed from previous build', function() {
-        browser.url(URL_PREFIX);
-        var results = browser.checkDocument(); // http://webdriver.io/guide/services/visual-regression.html
-        results.forEach((result) => {
-            assert(result.isWithinMisMatchTolerance);
-        });
-    });
-    */
-});
-
-describe('onboarding', function() {
-  it('should lead new user to genre selection page', function() {
-    browser.url(URL_PREFIX);
-    $('#signup').click();
-    $('input[name="email"]').waitForDisplayed();
-    $('input[name="name"]').setValue(TEST_USER.username);
-    $('input[name="email"]').setValue(TEST_USER.email);
-    $('input[name="password"]').setValue(TEST_USER.pwd);
-    // TODO: takeSnapshot();
-    $('input[type="submit"]').click();
-    browser.waitUntil(
-      () => /.*\/pick\/genres/.test(browser.getUrl()),
-      WAIT_DURATION,
-      'expected to be on /pick/genres after 5s'
-    );
-    // TODO: takeSnapshot();
-  });
-
-  it('should suggest people to follow after picking genres', function() {
-    const genres = $$('#genreGallery li');
-    genres.find(genre => /INDIE/.test(genre.getText())).click();
-    genres.find(genre => /ROCK/.test(genre.getText())).click();
-    genres.find(genre => /PUNK/.test(genre.getText())).click();
-    // TODO: takeSnapshot();
-    browser.clickOnLinkWithText('Next');
-    browser.waitUntil(
-      () => /.*\/pick\/people/.test(browser.getUrl()),
-      WAIT_DURATION,
-      'expected to be on /pick/people after 5s'
-    );
-  });
-
-  it('should suggest to install the extension after picking people', function() {
-    // TODO: takeSnapshot();
-    browser.clickOnLinkWithText('Next');
-    browser.waitUntil(
-      () => /.*\/pick\/button/.test(browser.getUrl()),
-      WAIT_DURATION,
-      'expected to be on /pick/button after 5s'
-    );
-  });
-
-  it('should lead new user to the gdpr consent page, after installing extension', function() {
-    // TODO: takeSnapshot();
-    browser.clickOnLinkWithText('Next');
-    browser.waitUntil(
-      () => /.*\/consent/.test(browser.getUrl()),
-      WAIT_DURATION,
-      'expected to be on /consent after 5s'
-    );
-  });
-
-  it('should lead to the welcome page, after giving consent', function() {
-    // TODO: takeSnapshot();
-    browser.waitForContent(/consent to let Openwhyd collect/); // text of the consent checkbox
-    $('input[type="checkbox"]').scrollIntoView();
-    $('input[type="checkbox"]').click();
-    $('input[type="submit"]').click();
-    browser.waitUntil(
-      () => /.*\/welcome/.test(browser.getUrl()),
-      WAIT_DURATION,
-      'expected to be on /welcome after 5s'
-    );
-  });
-
-  it('should display user name after skipping the welcome tutorial', function() {
-    // TODO: takeSnapshot();
-    browser.waitForContent(/Ok\, Got it/);
-    var loggedInUsername = $('#loginDiv .username').getText();
-    assert.equal(loggedInUsername, TEST_USER.username);
-  });
-
-  webUI.logout();
-});
-
-describe('adding a track', function() {
-  it('should allow user to login', webUI.loginAs(ADMIN_USER));
-
-  it('should lead user to the gdpr consent page', function() {
-    browser.waitUntil(
-      () => /.*\/consent/.test(browser.getUrl()),
-      WAIT_DURATION,
-      'expected to be on /consent after 5s'
-    );
-    // now, let's give consent
-    browser.waitForContent(/consent to let Openwhyd collect/); // text of the consent checkbox
-    $('input[type="checkbox"]').scrollIntoView();
-    $('input[type="checkbox"]').click();
-    $('input[type="submit"]').click();
-  });
-
-  it('should recognize a track when pasting a Youtube URL in the search box', function() {
-    //browser.url(URL_PREFIX + '/all');
-    $('#q').waitForExist();
-    $('#q').setValue('https://www.youtube.com/watch?v=aZT8VlTV1YY');
-    browser.waitUntil(
-      () => $$('#searchResults li a').find(a => /Demo/.test(a.getText())),
-      WAIT_DURATION,
-      'expected to find a search result after 5s'
-    );
-  });
-
-  it('should lead to a track page when clicking on the Youtube search result', function() {
-    $('#searchResults li a').click();
-    browser.waitUntil(
-      () => /\/yt\/aZT8VlTV1YY/.test(browser.getUrl()),
-      WAIT_DURATION,
-      'expected to be on /yt/aZT8VlTV1YY after 5s'
-    );
-  });
-
-  it('should display the name of the track', function() {
-    /*
-        browser.waitForContent(/Openwhyd Demo/); // name of the track, fetched asynchronously from youtube
-        browser.waitForContent(/Add to/);
-        */
-    const containsName = () => {
-      var crit = false;
-      try {
-        crit = /Openwhyd Demo \(formerly/.test($('a.btnRepost').getHTML());
-      } catch (e) {}
-      return crit;
-    };
-    browser.waitUntil(containsName, WAIT_DURATION);
-    assert(true);
-  });
-
-  it('should open a dialog after clicking on the "Add to" button', function() {
-    //$('a.btnRepost').click();
-    browser.clickOnLinkWithText('Add to');
-    $('.dlgPostBox').waitForDisplayed();
-    browser.pause(1000);
-    assert($('.dlgPostBox').isDisplayedInViewport());
-  });
-
-  it('should show a link to the post after adding the track', function() {
-    $$('.dlgPostBox span')
-      .find(a => /Add/.test(a.getText()))
-      .click();
-    browser.waitForLinkWithText('your tracks');
-  });
-
-  it("should show the post on the user's profile after clicking the link", function() {
-    browser.clickOnLinkWithText('your tracks');
-    browser.waitUntil(
-      () => /\/u\//.test(browser.getUrl()),
-      WAIT_DURATION,
-      "expected to be on the user's profile page after 5s"
-    );
-    $('.post a[data-eid="/yt/aZT8VlTV1YY"]').waitForDisplayed();
-  });
-
-  it('should open the playbar after the user clicks on the post', function() {
-    $('.post a[data-eid="/yt/aZT8VlTV1YY"]').click();
-    $('#btnPlay').waitForDisplayed();
-  });
-
-  it('should play the track', function() {
-    $('#btnPlay.playing').waitForDisplayed();
-  });
-
-  it('should pause the track when the user clicks on the play/pause button', function() {
-    $('#btnPlay.playing').click();
-    assert(!/playing/.test($('#btnPlay').classname));
-  });
-
-  //webUI.logout();
-});
-
-describe('re-adding a track in a playlist', function() {
-  // requirement: one track should be accessible from the user's stream
-
-  // webUI.loginAs(ADMIN_USER);
-
-  it('will display a pop-in dialog when clicking the "Add to" button of that track', function() {
-    browser.waitForContent(/Add to/);
-    browser.clickOnLinkWithText('Add to');
-    $('.dlgPostBox').waitForDisplayed();
-  });
-
-  it('allows to create a new playlist', function() {
-    $('#selPlaylist').waitForDisplayed();
-    browser.pause(1000); // leave some time for onclick handler to be setup
-    $('#selPlaylist').click();
-    $('#newPlaylistName').waitForDisplayed();
-    $('#newPlaylistName').setValue('test playlist');
-    $('input[value="Create"]').click();
-    browser.waitForContent(/test playlist/, '#selPlaylist');
-  });
-
-  it('should show a link to the post after re-adding the track', function() {
-    $$('.dlgPostBox span')
-      .find(a => /Add/.test(a.getText()))
-      .click();
-    browser.waitForLinkWithText('test playlist');
-  });
-
-  it("should show the post on the user's new playlist after clicking the link", function() {
-    browser.clickOnLinkWithText('test playlist');
-    browser.waitUntil(
-      () => /\/u\//.test(browser.getUrl()),
-      WAIT_DURATION,
-      "expected to be on the user's playlist page after 5s"
-    );
-    $('.post a[data-eid="/yt/aZT8VlTV1YY"]').waitForDisplayed();
-  });
-
-  //webUI.logout();
-});
-
-describe('track comments', function() {
-  // requirement: at least one track should be accessible from the user's stream
-
-  // webUI.loginAs(ADMIN_USER);
-
-  it(`can be displayed from the user\'s stream`, function() {
-    browser.url(URL_PREFIX + '/stream');
-    browser.clickOnLinkWithText('Comment');
-    browser.waitForContent(/You can mention people/);
-  });
-
-  it(`should appear after being added`, function() {
-    browser.keys('hello world\n');
-    browser.waitForContent(new RegExp(ADMIN_USER.name), '.comments');
-    browser.waitForContent(/hello world/, '.comments');
-  });
-
-  // TODO: it(`should change after being updated`, function() {
-
-  // TODO: it(`should disappear after being deleted`, function() {
-});
-
-describe('searching external tracks', function() {
-  it(`can find a youtube track with id that starts with underscore`, function() {
-    browser.url(URL_PREFIX);
-    $('#q').click();
-    browser.keys('http://www.youtube.com/watch?v=_BU841qpQsI');
-    const searchResult = `a[onclick="window.goToPage('/yt/_BU841qpQsI');return false;"]`;
-    $(searchResult).waitForDisplayed();
-    const trimmed = $(searchResult)
-      .getText()
-      .trim();
-    //console.log('text: ', trimmed);
-    assert.notEqual(trimmed, ''); // empty string => no metadata was fetched, caused to https://github.com/openwhyd/openwhyd/issues/102
-  });
-});
-
-// Webdriver API documentation: http://webdriver.io/api.html