rewrite tab unit tests

3 files changed, 0 insertions, 620 deletions

diff --git a/js/tests/unit/.eslintrc.json b/js/tests/unit/.eslintrc.json
deleted file mode 100644
index b4b9ac7e8d..0000000000
--- a/js/tests/unit/.eslintrc.json
+++ /dev/null
@@ -1,62 +0,0 @@
-{
-  "root": true,
-  "env": {
-    "jquery": true,
-    "qunit": true
-  },
-  "globals": {
-    "bootstrap": false,
-    "sinon": false,
-    "Util": false,
-    "Sanitizer": false,
-    "Data": false,
-    "Alert": false,
-    "Button": false,
-    "Carousel": false,
-    "Simulator": false,
-    "Toast": false,
-    "EventHandler": false,
-    "Manipulator": false,
-    "SelectorEngine": false
-  },
-  "parserOptions": {
-    "ecmaVersion": 5,
-    "sourceType": "script"
-  },
-  "extends": [
-    "plugin:unicorn/recommended",
-    "xo",
-    "xo/browser"
-  ],
-  "rules": {
-    "capitalized-comments": "off",
-    "indent": [
-      "error",
-      2,
-      {
-        "MemberExpression": "off",
-        "SwitchCase": 1
-      }
-    ],
-    "multiline-ternary": [
-      "error",
-      "always-multiline"
-    ],
-    "new-cap": "off",
-    "object-curly-spacing": [
-      "error",
-      "always"
-    ],
-    "semi": [
-      "error",
-      "never"
-    ],
-    "strict": "error",
-    "unicorn/no-unused-properties": "error",
-    "unicorn/prefer-includes": "off",
-    "unicorn/prefer-node-append": "off",
-    "unicorn/prefer-node-remove": "off",
-    "unicorn/prefer-query-selector": "off",
-    "unicorn/prevent-abbreviations": "off"
-  }
-}
diff --git a/js/tests/unit/tab.js b/js/tests/unit/tab.js
deleted file mode 100644
index 827fb707c1..0000000000
--- a/js/tests/unit/tab.js
+++ /dev/null
@@ -1,530 +0,0 @@
-$(function () {
-  'use strict'
-
-  var Tab = typeof window.bootstrap === 'undefined' ? window.Tab : window.bootstrap.Tab
-
-  QUnit.module('tabs plugin')
-
-  QUnit.test('should be defined on jquery object', function (assert) {
-    assert.expect(1)
-    assert.ok($(document.body).tab, 'tabs method is defined')
-  })
-
-  QUnit.module('tabs', {
-    beforeEach: function () {
-      // Run all tests in noConflict mode -- it's the only way to ensure that the plugin works in noConflict mode
-      $.fn.bootstrapTab = $.fn.tab.noConflict()
-    },
-    afterEach: function () {
-      $.fn.tab = $.fn.bootstrapTab
-      delete $.fn.bootstrapTab
-      $('#qunit-fixture').html('')
-    }
-  })
-
-  QUnit.test('should provide no conflict', function (assert) {
-    assert.expect(1)
-    assert.strictEqual(typeof $.fn.tab, 'undefined', 'tab was set back to undefined (org value)')
-  })
-
-  QUnit.test('should throw explicit error on undefined method', function (assert) {
-    assert.expect(1)
-    var $el = $('<div/>')
-    $el.bootstrapTab()
-    try {
-      $el.bootstrapTab('noMethod')
-    } catch (error) {
-      assert.strictEqual(error.message, 'No method named "noMethod"')
-    }
-  })
-
-  QUnit.test('should return jquery collection containing the element', function (assert) {
-    assert.expect(2)
-    var $el = $('<div/>')
-    var $tab = $el.bootstrapTab()
-    assert.ok($tab instanceof $, 'returns jquery collection')
-    assert.strictEqual($tab[0], $el[0], 'collection contains element')
-  })
-
-  QUnit.test('should activate element by tab id', function (assert) {
-    assert.expect(2)
-    var tabsHTML = '<ul class="nav">' +
-        '<li><a href="#home">Home</a></li>' +
-        '<li><a href="#profile">Profile</a></li>' +
-        '</ul>'
-
-    $('<ul><li id="home"/><li id="profile"/></ul>').appendTo('#qunit-fixture')
-
-    $(tabsHTML).find('li:last-child a').bootstrapTab('show')
-    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'profile')
-
-    $(tabsHTML).find('li:first-child a').bootstrapTab('show')
-    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'home')
-  })
-
-  QUnit.test('should activate element by tab id', function (assert) {
-    assert.expect(2)
-    var pillsHTML = '<ul class="nav nav-pills">' +
-        '<li><a href="#home">Home</a></li>' +
-        '<li><a href="#profile">Profile</a></li>' +
-        '</ul>'
-
-    $('<ul><li id="home"/><li id="profile"/></ul>').appendTo('#qunit-fixture')
-
-    $(pillsHTML).find('li:last-child a').bootstrapTab('show')
-    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'profile')
-
-    $(pillsHTML).find('li:first-child a').bootstrapTab('show')
-    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'home')
-  })
-
-  QUnit.test('should activate element by tab id in ordered list', function (assert) {
-    assert.expect(2)
-    var pillsHTML = '<ol class="nav nav-pills">' +
-        '<li><a href="#home">Home</a></li>' +
-        '<li><a href="#profile">Profile</a></li>' +
-        '</ol>'
-
-    $('<ol><li id="home"/><li id="profile"/></ol>').appendTo('#qunit-fixture')
-
-    $(pillsHTML).find('li:last-child a').bootstrapTab('show')
-    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'profile')
-
-    $(pillsHTML).find('li:first-child a').bootstrapTab('show')
-    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'home')
-  })
-
-  QUnit.test('should activate element by tab id in nav list', function (assert) {
-    assert.expect(2)
-    var tabsHTML = '<nav class="nav">' +
-                      '<a href="#home">Home</a>' +
-                      '<a href="#profile">Profile</a>' +
-                    '</nav>'
-
-    $('<nav><div id="home"></div><div id="profile"></div></nav>').appendTo('#qunit-fixture')
-
-    $(tabsHTML).find('a:last-child').bootstrapTab('show')
-    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'profile')
-
-    $(tabsHTML).find('a:first-child').bootstrapTab('show')
-    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'home')
-  })
-
-  QUnit.test('should activate element by tab id in list group', function (assert) {
-    assert.expect(2)
-    var tabsHTML = '<div class="list-group">' +
-                      '<a href="#home">Home</a>' +
-                      '<a href="#profile">Profile</a>' +
-                    '</div>'
-
-    $('<nav><div id="home"></div><div id="profile"></div></nav>').appendTo('#qunit-fixture')
-
-    $(tabsHTML).find('a:last-child').bootstrapTab('show')
-    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'profile')
-
-    $(tabsHTML).find('a:first-child').bootstrapTab('show')
-    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'home')
-  })
-
-  QUnit.test('should not fire shown when show is prevented', function (assert) {
-    assert.expect(1)
-    var done = assert.async()
-
-    $('<div class="nav"/>')
-      .on('show.bs.tab', function (e) {
-        e.preventDefault()
-        assert.ok(true, 'show event fired')
-        done()
-      })
-      .on('shown.bs.tab', function () {
-        assert.ok(false, 'shown event fired')
-      })
-      .bootstrapTab('show')
-  })
-
-  QUnit.test('should not fire shown when tab is already active', function (assert) {
-    assert.expect(0)
-    var tabsHTML = '<ul class="nav nav-tabs" role="tablist">' +
-      '<li class="nav-item"><a href="#home" class="nav-link active" role="tab">Home</a></li>' +
-      '<li class="nav-item"><a href="#profile" class="nav-link" role="tab">Profile</a></li>' +
-      '</ul>' +
-      '<div class="tab-content">' +
-      '<div class="tab-pane active" id="home" role="tabpanel"></div>' +
-      '<div class="tab-pane" id="profile" role="tabpanel"></div>' +
-      '</div>'
-
-    $(tabsHTML)
-      .find('a.active')
-      .on('shown.bs.tab', function () {
-        assert.ok(true, 'shown event fired')
-      })
-      .bootstrapTab('show')
-  })
-
-  QUnit.test('should not fire shown when tab is disabled', function (assert) {
-    assert.expect(0)
-    var tabsHTML = '<ul class="nav nav-tabs" role="tablist">' +
-      '<li class="nav-item"><a href="#home" class="nav-link active" role="tab">Home</a></li>' +
-      '<li class="nav-item"><a href="#profile" class="nav-link disabled" role="tab">Profile</a></li>' +
-      '</ul>' +
-      '<div class="tab-content">' +
-      '<div class="tab-pane active" id="home" role="tabpanel"></div>' +
-      '<div class="tab-pane" id="profile" role="tabpanel"></div>' +
-      '</div>'
-
-    $(tabsHTML)
-      .find('a.disabled')
-      .on('shown.bs.tab', function () {
-        assert.ok(true, 'shown event fired')
-      })
-      .bootstrapTab('show')
-  })
-
-  QUnit.test('show and shown events should reference correct relatedTarget', function (assert) {
-    assert.expect(2)
-    var done = assert.async()
-
-    var dropHTML =
-        '<ul class="drop nav">' +
-        '  <li class="dropdown"><a data-toggle="dropdown" href="#">1</a>' +
-        '    <ul class="dropdown-menu nav">' +
-        '      <li><a href="#a1-1" data-toggle="tab">1-1</a></li>' +
-        '      <li><a href="#a1-2" data-toggle="tab">1-2</a></li>' +
-        '    </ul>' +
-        '  </li>' +
-        '</ul>'
-
-    $(dropHTML)
-      .find('ul > li:first-child a')
-      .bootstrapTab('show')
-      .end()
-      .find('ul > li:last-child a')
-      .on('show.bs.tab', function (e) {
-        assert.strictEqual(e.relatedTarget.hash, '#a1-1', 'references correct element as relatedTarget')
-      })
-      .on('shown.bs.tab', function (e) {
-        assert.strictEqual(e.relatedTarget.hash, '#a1-1', 'references correct element as relatedTarget')
-        done()
-      })
-      .bootstrapTab('show')
-  })
-
-  QUnit.test('should fire hide and hidden events', function (assert) {
-    assert.expect(2)
-    var done = assert.async()
-
-    var tabsHTML = '<ul class="nav">' +
-        '<li><a href="#home">Home</a></li>' +
-        '<li><a href="#profile">Profile</a></li>' +
-        '</ul>'
-
-    $(tabsHTML)
-      .find('li:first-child a')
-      .on('hide.bs.tab', function () {
-        assert.ok(true, 'hide event fired')
-      })
-      .bootstrapTab('show')
-      .end()
-      .find('li:last-child a')
-      .bootstrapTab('show')
-
-    $(tabsHTML)
-      .find('li:first-child a')
-      .on('hidden.bs.tab', function () {
-        assert.ok(true, 'hidden event fired')
-        done()
-      })
-      .bootstrapTab('show')
-      .end()
-      .find('li:last-child a')
-      .bootstrapTab('show')
-  })
-
-  QUnit.test('should not fire hidden when hide is prevented', function (assert) {
-    assert.expect(1)
-    var done = assert.async()
-
-    var tabsHTML = '<ul class="nav">' +
-        '<li><a href="#home">Home</a></li>' +
-        '<li><a href="#profile">Profile</a></li>' +
-        '</ul>'
-
-    $(tabsHTML)
-      .find('li:first-child a')
-      .on('hide.bs.tab', function (e) {
-        e.preventDefault()
-        assert.ok(true, 'hide event fired')
-        done()
-      })
-      .on('hidden.bs.tab', function () {
-        assert.ok(false, 'hidden event fired')
-      })
-      .bootstrapTab('show')
-      .end()
-      .find('li:last-child a')
-      .bootstrapTab('show')
-  })
-
-  QUnit.test('hide and hidden events contain correct relatedTarget', function (assert) {
-    assert.expect(2)
-    var done = assert.async()
-
-    var tabsHTML = '<ul class="nav">' +
-        '<li><a href="#home">Home</a></li>' +
-        '<li><a href="#profile">Profile</a></li>' +
-        '</ul>'
-
-    $(tabsHTML)
-      .find('li:first-child a')
-      .on('hide.bs.tab', function (e) {
-        assert.strictEqual(e.relatedTarget.hash, '#profile', 'references correct element as relatedTarget')
-      })
-      .on('hidden.bs.tab', function (e) {
-        assert.strictEqual(e.relatedTarget.hash, '#profile', 'references correct element as relatedTarget')
-        done()
-      })
-      .bootstrapTab('show')
-      .end()
-      .find('li:last-child a')
-      .bootstrapTab('show')
-  })
-
-  QUnit.test('selected tab should have aria-selected', function (assert) {
-    assert.expect(8)
-    var tabsHTML = '<ul class="nav nav-tabs">' +
-        '<li><a class="nav-item active" href="#home" toggle="tab" aria-selected="true">Home</a></li>' +
-        '<li><a class="nav-item" href="#profile" toggle="tab" aria-selected="false">Profile</a></li>' +
-        '</ul>'
-    var $tabs = $(tabsHTML).appendTo('#qunit-fixture')
-
-    $tabs.find('li:first-child a').bootstrapTab('show')
-    assert.strictEqual($tabs.find('.active').attr('aria-selected'), 'true', 'shown tab has aria-selected = true')
-    assert.strictEqual($tabs.find('a:not(.active)').attr('aria-selected'), 'false', 'hidden tab has aria-selected = false')
-
-    $tabs.find('li:last-child a').trigger('click')
-    assert.strictEqual($tabs.find('.active').attr('aria-selected'), 'true', 'after click, shown tab has aria-selected = true')
-    assert.strictEqual($tabs.find('a:not(.active)').attr('aria-selected'), 'false', 'after click, hidden tab has aria-selected = false')
-
-    $tabs.find('li:first-child a').bootstrapTab('show')
-    assert.strictEqual($tabs.find('.active').attr('aria-selected'), 'true', 'shown tab has aria-selected = true')
-    assert.strictEqual($tabs.find('a:not(.active)').attr('aria-selected'), 'false', 'hidden tab has aria-selected = false')
-
-    $tabs.find('li:first-child a').trigger('click')
-    assert.strictEqual($tabs.find('.active').attr('aria-selected'), 'true', 'after second show event, shown tab still has aria-selected = true')
-    assert.strictEqual($tabs.find('a:not(.active)').attr('aria-selected'), 'false', 'after second show event, hidden tab has aria-selected = false')
-  })
-
-  QUnit.test('selected tab should deactivate previous selected tab', function (assert) {
-    assert.expect(2)
-    var tabsHTML = '<ul class="nav nav-tabs">' +
-        '<li class="nav-item"><a class="nav-link active" href="#home" data-toggle="tab">Home</a></li>' +
-        '<li class="nav-item"><a class="nav-link" href="#profile" data-toggle="tab">Profile</a></li>' +
-        '</ul>'
-    var $tabs = $(tabsHTML).appendTo('#qunit-fixture')
-
-    $tabs.find('li:last-child a')[0].click()
-    assert.notOk($tabs.find('li:first-child a').hasClass('active'))
-    assert.ok($tabs.find('li:last-child a').hasClass('active'))
-  })
-
-  QUnit.test('selected tab should deactivate previous selected link in dropdown', function (assert) {
-    assert.expect(3)
-    var tabsHTML = '<ul class="nav nav-tabs">' +
-        '<li class="nav-item"><a class="nav-link" href="#home" data-toggle="tab">Home</a></li>' +
-        '<li class="nav-item"><a class="nav-link" href="#profile" data-toggle="tab">Profile</a></li>' +
-        '<li class="nav-item dropdown"><a class="nav-link dropdown-toggle active" data-toggle="dropdown" href="#">Dropdown</a>' +
-        '<div class="dropdown-menu">' +
-        '<a class="dropdown-item active" href="#dropdown1" id="dropdown1-tab" data-toggle="tab">@fat</a>' +
-        '<a class="dropdown-item" href="#dropdown2" id="dropdown2-tab" data-toggle="tab">@mdo</a>' +
-        '</div>' +
-        '</li>' +
-        '</ul>'
-    var $tabs = $(tabsHTML).appendTo('#qunit-fixture')
-
-    $tabs.find('li:first-child a')[0].click()
-    assert.ok($tabs.find('li:first-child a').hasClass('active'))
-    assert.notOk($tabs.find('li:last-child a').hasClass('active'))
-    assert.notOk($tabs.find('li:last-child .dropdown-menu a:first-child').hasClass('active'))
-  })
-
-  QUnit.test('Nested tabs', function (assert) {
-    assert.expect(2)
-    var done = assert.async()
-    var tabsHTML =
-        '<nav class="nav nav-tabs" role="tablist">' +
-        '  <a id="tab1" href="#x-tab1" class="nav-item nav-link" data-toggle="tab" role="tab" aria-controls="x-tab1">Tab 1</a>' +
-        '  <a href="#x-tab2" class="nav-item nav-link active" data-toggle="tab" role="tab" aria-controls="x-tab2" aria-selected="true">Tab 2</a>' +
-        '  <a href="#x-tab3" class="nav-item nav-link" data-toggle="tab" role="tab" aria-controls="x-tab3">Tab 3</a>' +
-        '</nav>' +
-        '<div class="tab-content">' +
-        '  <div class="tab-pane" id="x-tab1" role="tabpanel">' +
-        '    <nav class="nav nav-tabs" role="tablist">' +
-        '      <a href="#nested-tab1" class="nav-item nav-link active" data-toggle="tab" role="tab" aria-controls="x-tab1" aria-selected="true">Nested Tab 1</a>' +
-        '      <a id="tabNested2" href="#nested-tab2" class="nav-item nav-link" data-toggle="tab" role="tab" aria-controls="x-profile">Nested Tab2</a>' +
-        '    </nav>' +
-        '    <div class="tab-content">' +
-        '      <div class="tab-pane active" id="nested-tab1" role="tabpanel">Nested Tab1 Content</div>' +
-        '      <div class="tab-pane" id="nested-tab2" role="tabpanel">Nested Tab2 Content</div>' +
-        '    </div>' +
-        '  </div>' +
-        '  <div class="tab-pane active" id="x-tab2" role="tabpanel">Tab2 Content</div>' +
-        '  <div class="tab-pane" id="x-tab3" role="tabpanel">Tab3 Content</div>' +
-        '</div>'
-
-    $(tabsHTML).appendTo('#qunit-fixture')
-
-    $('#tabNested2').on('shown.bs.tab', function () {
-      assert.ok($('#x-tab1').hasClass('active'))
-      done()
-    })
-
-    $('#tab1').on('shown.bs.tab', function () {
-      assert.ok($('#x-tab1').hasClass('active'))
-      $('#tabNested2')[0].click()
-    })
-
-    $('#tab1')[0].click()
-  })
-
-  QUnit.test('should not remove fade class if no active pane is present', function (assert) {
-    assert.expect(6)
-    var done = assert.async()
-    var tabsHTML = '<ul class="nav nav-tabs" role="tablist">' +
-      '<li class="nav-item"><a id="tab-home" href="#home" class="nav-link" data-toggle="tab" role="tab">Home</a></li>' +
-      '<li class="nav-item"><a id="tab-profile" href="#profile" class="nav-link" data-toggle="tab" role="tab">Profile</a></li>' +
-      '</ul>' +
-      '<div class="tab-content">' +
-      '<div class="tab-pane fade" id="home" role="tabpanel"></div>' +
-      '<div class="tab-pane fade" id="profile" role="tabpanel"></div>' +
-      '</div>'
-
-    $(tabsHTML).appendTo('#qunit-fixture')
-    $('#tab-profile')
-      .on('shown.bs.tab', function () {
-        assert.ok($('#profile').hasClass('fade'))
-        assert.ok($('#profile').hasClass('show'))
-
-        $('#tab-home')
-          .on('shown.bs.tab', function () {
-            assert.ok($('#profile').hasClass('fade'))
-            assert.notOk($('#profile').hasClass('show'))
-            assert.ok($('#home').hasClass('fade'))
-            assert.ok($('#home').hasClass('show'))
-
-            done()
-          })
-
-        $('#tab-home')[0].click()
-      })
-
-    $('#tab-profile')[0].click()
-  })
-
-  QUnit.test('should handle removed tabs', function (assert) {
-    assert.expect(1)
-    var done = assert.async()
-
-    var html = [
-      '<ul class="nav nav-tabs" role="tablist">',
-      '  <li class="nav-item">',
-      '    <a class="nav-link nav-tab" href="#profile" role="tab" data-toggle="tab">',
-      '      <button class="close"><span aria-hidden="true">&times;</span></button>',
-      '    </a>',
-      '  </li>',
-      '  <li class="nav-item">',
-      '    <a id="secondNav" class="nav-link nav-tab" href="#buzz" role="tab" data-toggle="tab">',
-      '      <button class="close"><span aria-hidden="true">&times;</span></button>',
-      '    </a>',
-      '  </li>',
-      '  <li class="nav-item">',
-      '    <a class="nav-link nav-tab" href="#references" role="tab" data-toggle="tab">',
-      '      <button id="btnClose" class="close"><span aria-hidden="true">&times;</span></button>',
-      '    </a>',
-      '  </li>',
-      '</ul>',
-      '<div class="tab-content">',
-      '  <div role="tabpanel" class="tab-pane fade show active" id="profile">test 1</div>',
-      '  <div role="tabpanel" class="tab-pane fade" id="buzz">test 2</div>',
-      '  <div role="tabpanel" class="tab-pane fade" id="references">test 3</div>',
-      '</div>'
-    ].join('')
-
-    $(html).appendTo('#qunit-fixture')
-
-    $('#secondNav').on('shown.bs.tab', function () {
-      assert.strictEqual($('.nav-tab').length, 2)
-      done()
-    })
-
-    $('#btnClose').one('click', function () {
-      var tabId = $(this).parents('a').attr('href')
-      $(this).parents('li').remove()
-      $(tabId).remove()
-      $('.nav-tabs a:last').bootstrapTab('show')
-    })
-      .trigger($.Event('click'))
-  })
-
-  QUnit.test('should not add show class to tab panes if there is no `.fade` class', function (assert) {
-    assert.expect(1)
-    var done = assert.async()
-
-    var html = [
-      '<ul class="nav nav-tabs" role="tablist">',
-      '  <li class="nav-item">',
-      '    <a class="nav-link nav-tab" href="#home" role="tab" data-toggle="tab">Home</a>',
-      '  </li>',
-      '  <li class="nav-item">',
-      '    <a id="secondNav" class="nav-link nav-tab" href="#profile" role="tab" data-toggle="tab">Profile</a>',
-      '  </li>',
-      '</ul>',
-      '<div class="tab-content">',
-      '  <div role="tabpanel" class="tab-pane" id="home">test 1</div>',
-      '  <div role="tabpanel" class="tab-pane" id="profile">test 2</div>',
-      '</div>'
-    ].join('')
-
-    $(html).appendTo('#qunit-fixture')
-
-    $('#secondNav').on('shown.bs.tab', function () {
-      assert.strictEqual($('.show').length, 0)
-      done()
-    })
-
-    $('#secondNav')[0].click()
-  })
-
-  QUnit.test('should add show class to tab panes if there is a `.fade` class', function (assert) {
-    assert.expect(1)
-    var done = assert.async()
-
-    var html = [
-      '<ul class="nav nav-tabs" role="tablist">',
-      '  <li class="nav-item">',
-      '    <a class="nav-link nav-tab" href="#home" role="tab" data-toggle="tab">Home</a>',
-      '  </li>',
-      '  <li class="nav-item">',
-      '    <a id="secondNav" class="nav-link nav-tab" href="#profile" role="tab" data-toggle="tab">Profile</a>',
-      '  </li>',
-      '</ul>',
-      '<div class="tab-content">',
-      '  <div role="tabpanel" class="tab-pane fade" id="home">test 1</div>',
-      '  <div role="tabpanel" class="tab-pane fade" id="profile">test 2</div>',
-      '</div>'
-    ].join('')
-
-    $(html).appendTo('#qunit-fixture')
-
-    $('#secondNav').on('shown.bs.tab', function () {
-      assert.strictEqual($('.show').length, 1)
-      done()
-    })
-
-    $('#secondNav')[0].click()
-  })
-
-  QUnit.test('should return the version', function (assert) {
-    assert.expect(1)
-    assert.strictEqual(typeof Tab.VERSION, 'string')
-  })
-})
diff --git a/js/tests/unit/tests-polyfills.js b/js/tests/unit/tests-polyfills.js
deleted file mode 100644
index 4f2583e0db..0000000000
--- a/js/tests/unit/tests-polyfills.js
+++ /dev/null
@@ -1,28 +0,0 @@
-// Polyfills for our unit tests
-(function () {
-  'use strict'
-
-  // Event constructor shim
-  if (!window.Event || typeof window.Event !== 'function') {
-    var origEvent = window.Event
-    window.Event = function (inType, params) {
-      params = params || {}
-      var e = document.createEvent('Event')
-      e.initEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable))
-      return e
-    }
-
-    window.Event.prototype = origEvent.prototype
-  }
-
-  if (typeof window.CustomEvent !== 'function') {
-    window.CustomEvent = function (event, params) {
-      params = params || { bubbles: false, cancelable: false, detail: null }
-      var evt = document.createEvent('CustomEvent')
-      evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail)
-      return evt
-    }
-
-    CustomEvent.prototype = window.Event.prototype
-  }
-})()