diff --git a/.travis.yml b/.travis.yml
index 8b11be3..ba042b1 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,13 +9,13 @@ env:
 matrix:
   include:
     - php: 5.6
-      env: DB=MYSQL PHPCS_TEST=1 PHPUNIT_TEST=1
+      env: DB=MYSQL INSTALLER_VERSION=4.0.x-dev PHPCS_TEST=1 PHPUNIT_TEST=1
     - php: 7.0
-      env: DB=PGSQL PHPUNIT_TEST=1
+      env: DB=PGSQL INSTALLER_VERSION=4.1.x-dev PHPUNIT_TEST=1
     - php: 7.1
-      env: DB=MYSQL PHPUNIT_COVERAGE_TEST=1
+      env: DB=MYSQL INSTALLER_VERSION=4.2.x-dev PHPUNIT_COVERAGE_TEST=1
     - php: 7.2
-      env: DB=MYSQL PHPUNIT_TEST=1
+      env: DB=MYSQL INSTALLER_VERSION=4.x-dev PHPUNIT_TEST=1
 
 before_script:
 # Init PHP
@@ -25,7 +25,7 @@ before_script:
 
 # Install composer dependencies
   - composer validate
-  - composer require --no-update silverstripe/installer:4.0.x-dev silverstripe/widgets:2.x-dev
+  - composer require --no-update silverstripe/installer:$INSTALLER_VERSION silverstripe/widgets:2.x-dev
   - if [[ $DB == PGSQL ]]; then composer require --no-update silverstripe/postgresql:2.0.x-dev; fi
   - composer install --prefer-dist --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
 
diff --git a/src/Admin/GridFieldCategorisationConfig.php b/src/Admin/GridFieldCategorisationConfig.php
index 2e22a15..05d36d9 100644
--- a/src/Admin/GridFieldCategorisationConfig.php
+++ b/src/Admin/GridFieldCategorisationConfig.php
@@ -4,8 +4,10 @@ namespace SilverStripe\Blog\Admin;
 
 use SilverStripe\Blog\Forms\GridField\GridFieldAddByDBField;
 use SilverStripe\Blog\Model\CategorisationObject;
+use SilverStripe\Forms\GridField\GridFieldAddNewButton;
 use SilverStripe\Forms\GridField\GridFieldConfig_RecordEditor;
 use SilverStripe\Forms\GridField\GridFieldDataColumns;
+use SilverStripe\ORM\SS_List;
 
 class GridFieldCategorisationConfig extends GridFieldConfig_RecordEditor
 {
@@ -20,7 +22,7 @@ class GridFieldCategorisationConfig extends GridFieldConfig_RecordEditor
     {
         parent::__construct($itemsPerPage);
 
-        $this->removeComponentsByType('SilverStripe\\Forms\\GridField\\GridFieldAddNewButton');
+        $this->removeComponentsByType(GridFieldAddNewButton::class);
 
         $this->addComponent(
             GridFieldAddByDBField::create('buttons-before-left')
@@ -33,7 +35,7 @@ class GridFieldCategorisationConfig extends GridFieldConfig_RecordEditor
         /**
          * @var GridFieldDataColumns $columns
          */
-        $columns = $this->getComponentByType('SilverStripe\\Forms\\GridField\\GridFieldDataColumns');
+        $columns = $this->getComponentByType(GridFieldDataColumns::class);
 
         $columns->setFieldFormatting(
             [
@@ -54,7 +56,7 @@ class GridFieldCategorisationConfig extends GridFieldConfig_RecordEditor
         /**
          * @var GridFieldDataColumns $columns
          */
-        $columns = $this->getComponentByType('SilverStripe\\Forms\\GridField\\GridFieldDataColumns');
+        $columns = $this->getComponentByType(GridFieldDataColumns::class);
 
         $columns->setDisplayFields(
             [
diff --git a/src/Forms/GridField/GridFieldAddByDBField.php b/src/Forms/GridField/GridFieldAddByDBField.php
index d22ff58..6c4e73b 100644
--- a/src/Forms/GridField/GridFieldAddByDBField.php
+++ b/src/Forms/GridField/GridFieldAddByDBField.php
@@ -3,6 +3,7 @@
 namespace SilverStripe\Blog\Forms\GridField;
 
 use SilverStripe\Control\Controller;
+use SilverStripe\Control\HTTPResponse;
 use SilverStripe\Core\Convert;
 use SilverStripe\Core\Injector\Injectable;
 use SilverStripe\Forms\GridField\GridField;
@@ -11,6 +12,8 @@ use SilverStripe\Forms\GridField\GridField_FormAction;
 use SilverStripe\Forms\GridField\GridField_HTMLProvider;
 use SilverStripe\Forms\TextField;
 use SilverStripe\ORM\ArrayList;
+use SilverStripe\ORM\DataList;
+use SilverStripe\ORM\DataObject;
 use SilverStripe\Security\Security;
 use SilverStripe\View\ArrayData;
 use SilverStripe\View\Requirements;
@@ -69,7 +72,7 @@ class GridFieldAddByDBField implements GridField_ActionProvider, GridField_HTMLP
      * @param $arguments mixed
      * @param $data array
      *
-     * @return null|SS_HTTPResponse
+     * @return null|HTTPResponse
      *
      * @throws UnexpectedValueException
      */
@@ -154,7 +157,7 @@ class GridFieldAddByDBField implements GridField_ActionProvider, GridField_HTMLP
      *
      * @param $gridField GridField
      *
-     * @return string
+     * @return string[]
      */
     public function getHTMLFragments($gridField)
     {
@@ -170,7 +173,7 @@ class GridFieldAddByDBField implements GridField_ActionProvider, GridField_HTMLP
         $obj = singleton($dataClass);
 
         if (!$obj->canCreate()) {
-            return '';
+            return [];
         }
 
         $dbField = $this->getDataObjectField();
diff --git a/src/Model/Blog.php b/src/Model/Blog.php
index a3135e7..0ea3047 100644
--- a/src/Model/Blog.php
+++ b/src/Model/Blog.php
@@ -8,12 +8,16 @@ use SilverStripe\Blog\Forms\GridField\GridFieldConfigBlogPost;
 use SilverStripe\CMS\Controllers\RootURLController;
 use SilverStripe\Control\Controller;
 use SilverStripe\Core\Convert;
+use SilverStripe\Forms\FieldList;
 use SilverStripe\Forms\GridField\GridField;
+use SilverStripe\Forms\GridField\GridFieldConfig;
 use SilverStripe\Forms\ListboxField;
 use SilverStripe\Forms\LiteralField;
 use SilverStripe\Forms\NumericField;
+use SilverStripe\ORM\DataList;
 use SilverStripe\ORM\DataObject;
 use SilverStripe\ORM\DB;
+use SilverStripe\ORM\SS_List;
 use SilverStripe\ORM\UnsavedRelationList;
 use SilverStripe\Security\Group;
 use SilverStripe\Security\Member;
@@ -443,11 +447,11 @@ class Blog extends Page implements PermissionProvider
             $list = Member::get();
             $this->extend('updateCandidateUsers', $list);
             return $list;
-        } else {
-            return Permission::get_members_by_permission(
-                $this->config()->get('grant_user_permission')
-            );
         }
+
+        return Permission::get_members_by_permission(
+            $this->config()->get('grant_user_permission')
+        );
     }
 
     /**
diff --git a/src/Model/BlogFilter.php b/src/Model/BlogFilter.php
index 3b91b06..ff771a5 100644
--- a/src/Model/BlogFilter.php
+++ b/src/Model/BlogFilter.php
@@ -108,7 +108,7 @@ class BlogFilter extends Lumberjack
 
             $tab = Tab::create('ChildPages', $this->getLumberjackTitle(), $gridField);
 
-            $fields->insertBefore($tab, 'Main');
+            $fields->insertBefore('Main', $tab);
         }
     }
 }
diff --git a/src/Model/BlogObject.php b/src/Model/BlogObject.php
index dfc17ec..ba83d9a 100644
--- a/src/Model/BlogObject.php
+++ b/src/Model/BlogObject.php
@@ -8,6 +8,8 @@ use SilverStripe\Forms\Tab;
 use SilverStripe\Forms\TabSet;
 use SilverStripe\Forms\TextField;
 use SilverStripe\ORM\DataList;
+use SilverStripe\ORM\ValidationResult;
+use SilverStripe\Security\Member;
 use SilverStripe\Security\Permission;
 use SilverStripe\View\Parsers\URLSegmentFilter;
 
diff --git a/src/Model/BlogPost.php b/src/Model/BlogPost.php
index 0b17b0c..ec5d8cd 100644
--- a/src/Model/BlogPost.php
+++ b/src/Model/BlogPost.php
@@ -8,12 +8,15 @@ use SilverStripe\Assets\Image;
 use SilverStripe\Control\Controller;
 use SilverStripe\Core\Config\Config;
 use SilverStripe\Forms\DatetimeField;
+use SilverStripe\Forms\FieldList;
 use SilverStripe\Forms\HTMLEditor\HTMLEditorField;
 use SilverStripe\Forms\ListboxField;
 use SilverStripe\Forms\TextField;
 use SilverStripe\Forms\ToggleCompositeField;
 use SilverStripe\ORM\ArrayList;
 use SilverStripe\ORM\FieldType\DBDatetime;
+use SilverStripe\ORM\FieldType\DBHTMLText;
+use SilverStripe\ORM\SS_List;
 use SilverStripe\ORM\UnsavedRelationList;
 use SilverStripe\Security\Group;
 use SilverStripe\Security\Member;
@@ -224,7 +227,7 @@ class BlogPost extends Page
             /**
              * @var FieldList $fields
              */
-            $fields->insertAfter($uploadField, 'Content');
+            $fields->insertAfter('Content', $uploadField);
 
             $summary = HtmlEditorField::create('Summary', false);
             $summary->setRows(5);
@@ -243,7 +246,7 @@ class BlogPost extends Page
             $summaryHolder->setHeadingLevel(4);
             $summaryHolder->addExtraClass('custom-summary');
 
-            $fields->insertAfter($summaryHolder, 'FeaturedImage');
+            $fields->insertAfter('FeaturedImage', $summaryHolder);
 
             $urlSegment = $fields->dataFieldByName('URLSegment');
             $urlSegment->setURLPrefix($this->Parent()->RelativeLink());
@@ -605,7 +608,7 @@ class BlogPost extends Page
      */
     public function Excerpt($wordsToDisplay = 30)
     {
-        /** @var HTMLText $content */
+        /** @var DBHTMLText $content */
         $content = $this->dbObject('Content');
 
         return $content->Summary($wordsToDisplay);
diff --git a/src/Model/BlogPostFilter.php b/src/Model/BlogPostFilter.php
index 3900715..07cda60 100644
--- a/src/Model/BlogPostFilter.php
+++ b/src/Model/BlogPostFilter.php
@@ -23,7 +23,8 @@ class BlogPostFilter extends DataExtension
     /**
      * Augment queries so that we don't fetch unpublished articles.
      *
-     * @param SQLQuery $query
+     * @param SQLSelect $query
+     * @param DataQuery $query
      */
     public function augmentSQL(SQLSelect $query, DataQuery $dataQuery = null)
     {
diff --git a/src/Widgets/BlogArchiveWidget.php b/src/Widgets/BlogArchiveWidget.php
index a318639..878450f 100644
--- a/src/Widgets/BlogArchiveWidget.php
+++ b/src/Widgets/BlogArchiveWidget.php
@@ -5,11 +5,13 @@ namespace SilverStripe\Blog\Widgets;
 use SilverStripe\Blog\Model\Blog;
 use SilverStripe\Control\Controller;
 use SilverStripe\Forms\DropdownField;
+use SilverStripe\Forms\FieldList;
 use SilverStripe\Forms\NumericField;
 use SilverStripe\ORM\ArrayList;
 use SilverStripe\ORM\DB;
 use SilverStripe\ORM\FieldType\DBDate;
 use SilverStripe\ORM\FieldType\DBDatetime;
+use SilverStripe\ORM\FieldType\DBEnum;
 use SilverStripe\ORM\Queries\SQLSelect;
 use SilverStripe\Versioned\Versioned;
 use SilverStripe\View\ArrayData;
@@ -76,7 +78,7 @@ class BlogArchiveWidget extends Widget
     {
         $this->beforeUpdateCMSFields(function ($fields) {
             /**
-             * @var Enum $archiveType
+             * @var DBEnum $archiveType
              */
             $archiveType = $this->dbObject('ArchiveType');
 
diff --git a/src/Widgets/BlogCategoriesWidget.php b/src/Widgets/BlogCategoriesWidget.php
index dbd8d9e..215ddaf 100644
--- a/src/Widgets/BlogCategoriesWidget.php
+++ b/src/Widgets/BlogCategoriesWidget.php
@@ -2,10 +2,6 @@
 
 namespace SilverStripe\Blog\Widgets;
 
-if (!class_exists('\\SilverStripe\\Widgets\\Model\\Widget')) {
-    return;
-}
-
 use SilverStripe\Blog\Model\Blog;
 use SilverStripe\Core\Convert;
 use SilverStripe\Forms\DropdownField;
@@ -14,6 +10,10 @@ use SilverStripe\Forms\NumericField;
 use SilverStripe\ORM\DataList;
 use SilverStripe\Widgets\Model\Widget;
 
+if (!class_exists(Widget::class)) {
+    return;
+}
+
 /**
  * @method Blog Blog()
  */
diff --git a/src/Widgets/BlogRecentPostsWidget.php b/src/Widgets/BlogRecentPostsWidget.php
index b53dd92..b5c23c4 100644
--- a/src/Widgets/BlogRecentPostsWidget.php
+++ b/src/Widgets/BlogRecentPostsWidget.php
@@ -2,16 +2,17 @@
 
 namespace SilverStripe\Blog\Widgets;
 
-if (!class_exists('\\SilverStripe\\Widgets\\Model\\Widget')) {
-    return;
-}
-
 use SilverStripe\Blog\Model\Blog;
 use SilverStripe\Forms\DropdownField;
 use SilverStripe\Forms\FieldList;
 use SilverStripe\Forms\NumericField;
+use SilverStripe\ORM\DataList;
 use SilverStripe\Widgets\Model\Widget;
 
+if (!class_exists(Widget::class)) {
+    return;
+}
+
 /**
  * @method Blog Blog()
  *
@@ -72,7 +73,7 @@ class BlogRecentPostsWidget extends Widget
     }
 
     /**
-     * @return array
+     * @return array|DataList
      */
     public function getPosts()
     {
diff --git a/src/Widgets/BlogTagsCloudWidget.php b/src/Widgets/BlogTagsCloudWidget.php
index 81885ab..4730e7e 100644
--- a/src/Widgets/BlogTagsCloudWidget.php
+++ b/src/Widgets/BlogTagsCloudWidget.php
@@ -2,10 +2,6 @@
 
 namespace SilverStripe\Blog\Widgets;
 
-if (!class_exists('\\SilverStripe\\Widgets\\Model\\Widget')) {
-    return;
-}
-
 use SilverStripe\Blog\Model\Blog;
 use SilverStripe\Core\Convert;
 use SilverStripe\Forms\DropdownField;
@@ -14,6 +10,10 @@ use SilverStripe\ORM\DataObject;
 use SilverStripe\ORM\DB;
 use SilverStripe\Widgets\Model\Widget;
 
+if (!class_exists(Widget::class)) {
+    return;
+}
+
 /**
  * @method Blog Blog()
  */
diff --git a/src/Widgets/BlogTagsWidget.php b/src/Widgets/BlogTagsWidget.php
index 9994e62..cf178ea 100644
--- a/src/Widgets/BlogTagsWidget.php
+++ b/src/Widgets/BlogTagsWidget.php
@@ -2,17 +2,18 @@
 
 namespace SilverStripe\Blog\Widgets;
 
-if (!class_exists('\\SilverStripe\\Widgets\\Model\\Widget')) {
-    return;
-}
-
 use SilverStripe\Blog\Model\Blog;
 use SilverStripe\Core\Convert;
 use SilverStripe\Forms\DropdownField;
 use SilverStripe\Forms\FieldList;
 use SilverStripe\Forms\NumericField;
+use SilverStripe\ORM\DataList;
 use SilverStripe\Widgets\Model\Widget;
 
+if (!class_exists(Widget::class)) {
+    return;
+}
+
 /**
  * @method Blog Blog()
  */
diff --git a/templates/SilverStripe/Blog/Model/Layout/Blog_profile.ss b/templates/SilverStripe/Blog/Model/Layout/Blog_profile.ss
index 825128e..5bbca51 100644
--- a/templates/SilverStripe/Blog/Model/Layout/Blog_profile.ss
+++ b/templates/SilverStripe/Blog/Model/Layout/Blog_profile.ss
@@ -5,7 +5,7 @@
 	<% include SilverStripe\\Blog\\MemberDetails %>
 
 	<% if $PaginatedList.Exists %>
-		<h2>Posts by $CurrentProfile.FirstName $CurrentProfile.Surname for $Title:</h2>
+        <h2><%t SilverStripe\\Blog\\Model\\Blog.PostsByUser 'Posts by {firstname} {surname} for {title}' firstname=$CurrentProfile.FirstName surname=$CurrentProfile.Surname title=$Title %></h2>
 		<% loop $PaginatedList %>
 			<% include SilverStripe\\Blog\\PostSummary %>
 		<% end_loop %>
diff --git a/tests/BlogPostFilterTest.php b/tests/BlogPostFilterTest.php
index da3efa7..708c680 100755
--- a/tests/BlogPostFilterTest.php
+++ b/tests/BlogPostFilterTest.php
@@ -5,7 +5,6 @@ namespace SilverStripe\Blog\Tests;
 use SilverStripe\Blog\Model\Blog;
 use SilverStripe\Dev\SapphireTest;
 use SilverStripe\ORM\FieldType\DBDatetime;
-use SilverStripe\Security\Member;
 use SilverStripe\Security\Security;
 
 /**
diff --git a/tests/BlogPostNotificationsTest.php b/tests/BlogPostNotificationsTest.php
index 22559c3..6c62565 100644
--- a/tests/BlogPostNotificationsTest.php
+++ b/tests/BlogPostNotificationsTest.php
@@ -3,24 +3,22 @@
 namespace SilverStripe\Blog\Tests;
 
 use SilverStripe\Blog\Model\BlogPost;
+use SilverStripe\CommentNotifications\Extensions\CommentNotifier;
+use SilverStripe\Comments\Model\Comment;
 use SilverStripe\Dev\SapphireTest;
 
 class BlogPostNotificationsTest extends SapphireTest
 {
-    /**
-     * {@inheritDoc}
-     * @var string
-     */
     protected static $fixture_file = 'blog.yml';
 
     public function testUpdateNotificationRecipients()
     {
-        if (!class_exists('CommentNotifier')) {
+        if (!class_exists(CommentNotifier::class)) {
             $this->markTestSkipped('Comments Notification module is not installed');
         }
 
         $blogPost = $this->objFromFixture(BlogPost::class, 'PostC');
-        $comment = new \SilverStripe\Comments\Model\Comment();
+        $comment = new Comment();
         $comment->Comment = 'This is a comment';
         $comment->write();
         $recipients = $blogPost->notificationRecipients(
@@ -41,11 +39,11 @@ class BlogPostNotificationsTest extends SapphireTest
 
     public function testUpdateNotificationSubject()
     {
-        if (!class_exists('CommentNotifier')) {
+        if (!class_exists(CommentNotifier::class)) {
             $this->markTestSkipped('Comments Notification module is not installed');
         }
         $blogPost = $this->objFromFixture(BlogPost::class, 'PostC');
-        $comment = new \SilverStripe\Comments\Model\Comment();
+        $comment = new Comment();
         $comment->Comment = 'This is a comment';
         $comment->write();
         $recipients = $blogPost->notificationRecipients(
diff --git a/tests/BlogPostTest.php b/tests/BlogPostTest.php
index 30bb4e9..899bad5 100644
--- a/tests/BlogPostTest.php
+++ b/tests/BlogPostTest.php
@@ -11,16 +11,9 @@ use SilverStripe\Versioned\Versioned;
 
 class BlogPostTest extends SapphireTest
 {
-    /**
-     * {@inheritDoc}
-     * @var string
-     */
     protected static $fixture_file = 'blog.yml';
 
-    /**
-     * {@inheritdoc}
-     */
-    public function tearDown()
+    protected function tearDown()
     {
         DBDatetime::clear_mock_now();
         parent::tearDown();
diff --git a/tests/BlogTagTest.php b/tests/BlogTagTest.php
index 237572b..88a48ff 100755
--- a/tests/BlogTagTest.php
+++ b/tests/BlogTagTest.php
@@ -2,6 +2,7 @@
 
 namespace SilverStripe\Blog\Tests;
 
+use PHPUnit_Framework_TestCase;
 use SilverStripe\Blog\Model\Blog;
 use SilverStripe\Blog\Model\BlogPost;
 use SilverStripe\Blog\Model\BlogTag;
@@ -17,26 +18,16 @@ use SilverStripe\Security\Security;
  */
 class BlogTagTest extends FunctionalTest
 {
-    /**
-     * {@inheritDoc}
-     * @var string
-     */
     protected static $fixture_file = 'blog.yml';
 
-    /**
-     * {@inheritdoc}
-     */
-    public function setUp()
+    protected function setUp()
     {
         parent::setUp();
 
         DBDatetime::set_mock_now('2013-10-10 20:00:00');
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function tearDown()
+    protected function tearDown()
     {
         DBDatetime::clear_mock_now();
 
diff --git a/tests/BlogTagsCloudWidgetTest.php b/tests/BlogTagsCloudWidgetTest.php
index 6a4290f..00e2ca4 100644
--- a/tests/BlogTagsCloudWidgetTest.php
+++ b/tests/BlogTagsCloudWidgetTest.php
@@ -7,6 +7,7 @@ use SilverStripe\Blog\Widgets\BlogTagsCloudWidget;
 use SilverStripe\Dev\SapphireTest;
 use SilverStripe\Control\Controller;
 use SilverStripe\Control\Director;
+use SilverStripe\Widgets\Model\Widget;
 
 class BlogTagsCloudWidgetTest extends SapphireTest
 {
@@ -17,7 +18,7 @@ class BlogTagsCloudWidgetTest extends SapphireTest
 
     public function testGetCMSFields()
     {
-        if (!class_exists('SilverStripe\\Widgets\\Model\\Widget')) {
+        if (!class_exists(Widget::class)) {
             $this->markTestSkipped('Widgets module not installed');
         }
 
@@ -34,7 +35,7 @@ class BlogTagsCloudWidgetTest extends SapphireTest
 
     public function testGetTags()
     {
-        if (!class_exists('SilverStripe\\Widgets\\Model\\Widget')) {
+        if (!class_exists(Widget::class)) {
             $this->markTestSkipped('Widgets module not installed');
         }
         $widget = new BlogTagsCloudWidget();
diff --git a/tests/BlogTest.php b/tests/BlogTest.php
index 364062c..4792f59 100755
--- a/tests/BlogTest.php
+++ b/tests/BlogTest.php
@@ -2,6 +2,7 @@
 
 namespace SilverStripe\Blog\Tests;
 
+use PHPUnit_Framework_TestCase;
 use SilverStripe\Blog\Model\Blog;
 use SilverStripe\Blog\Model\BlogController;
 use SilverStripe\Blog\Model\BlogPost;
@@ -9,62 +10,43 @@ use SilverStripe\CMS\Controllers\ContentController;
 use SilverStripe\Control\Controller;
 use SilverStripe\Control\Director;
 use SilverStripe\Control\HTTPRequest;
-use SilverStripe\Control\HTTPResponse_Exception;
 use SilverStripe\Control\Session;
 use SilverStripe\Core\Config\Config;
 use SilverStripe\Dev\SapphireTest;
-use SilverStripe\ORM\DataModel;
 use SilverStripe\ORM\FieldType\DBDatetime;
 use SilverStripe\ORM\SS_List;
 use SilverStripe\Security\Member;
-use SilverStripe\Security\Security;
 
 /**
  * @mixin PHPUnit_Framework_TestCase
  */
 class BlogTest extends SapphireTest
 {
-    /**
-     * @var string
-     */
     protected static $fixture_file = 'blog.yml';
 
-    /**
-     * {@inheritdoc}
-     */
-    public function setUp()
+    protected function setUp()
     {
         parent::setUp();
 
-        Config::nest();
         DBDatetime::set_mock_now('2013-10-10 20:00:00');
 
         /**
          * @var Blog $blog
          */
         $blog = $this->objFromFixture(Blog::class, 'FirstBlog');
-
-        $blog->publish('Stage', 'Live');
+        $blog->publishRecursive();
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function tearDown()
+    protected function tearDown()
     {
         DBDatetime::clear_mock_now();
-        Config::unnest();
 
         parent::tearDown();
     }
 
     public function testGetExcludedSiteTreeClassNames()
     {
-        $member = Security::getCurrentUser();
-
-        if ($member) {
-            Security::setCurrentUser(null);
-        }
+        $this->logOut();
 
         /**
          * @var Blog $blog
@@ -84,11 +66,7 @@ class BlogTest extends SapphireTest
 
     public function testGetArchivedBlogPosts()
     {
-        $member = Security::getCurrentUser();
-
-        if ($member) {
-            Security::setCurrentUser(null);
-        }
+        $this->logOut();
 
         /**
          * @var Blog $blog
@@ -349,23 +327,17 @@ class BlogTest extends SapphireTest
         );
     }
 
+    /**
+     * @expectedException \SilverStripe\Control\HTTPResponse_Exception
+     * @expectedExceptionCode 404
+     */
     public function testDisabledProfiles()
     {
         Config::modify()->set(BlogController::class, 'disable_profiles', true);
 
-        try {
-            $controller = BlogController::create();
-            $controller->setRequest(Controller::curr()->getRequest());
-            $controller->profile();
-
-            $this->fail('The "profile" action should throw a HTTPResponse_Exception when disable_profiles is enabled');
-        } catch (HTTPResponse_Exception $e) {
-            $this->assertEquals(
-                404,
-                $e->getResponse()->getStatusCode(),
-                'The response status code should be 404 Not Found'
-            );
-        }
+        $controller = BlogController::create();
+        $controller->setRequest(Controller::curr()->getRequest());
+        $controller->profile();
     }
 
     /**