diff --git a/src/Tests/ParagraphsAccessTest.php b/src/Tests/ParagraphsAccessTest.php
index a71bd96..c74cbdf 100644
--- a/src/Tests/ParagraphsAccessTest.php
+++ b/src/Tests/ParagraphsAccessTest.php
@@ -13,7 +13,7 @@ use Drupal\user\Entity\Role;
  *
  * @group paragraphs
  */
-class ParagraphsAccessTest extends WebTestBase {
+class ParagraphsAccessTest extends ParagraphsTestBase {
 
   use FieldUiTestTrait;
 
@@ -23,12 +23,7 @@ class ParagraphsAccessTest extends WebTestBase {
    * @var array
    */
   public static $modules = array(
-    'node',
-    'paragraphs',
-    'field',
     'image',
-    'field_ui',
-    'block',
     'paragraphs_demo',
   );
 
@@ -37,31 +32,20 @@ class ParagraphsAccessTest extends WebTestBase {
    */
   protected function setUp() {
     parent::setUp();
-    $this->drupalPlaceBlock('local_tasks_block');
-    $this->drupalPlaceBlock('page_title_block');
   }
 
   /**
    * Tests the paragraph translation.
    */
   public function testParagraphAccessCheck() {
-    $admin_user = $this->drupalCreateUser(array(
+    $admin_user = [
       'administer site configuration',
-      'administer nodes',
-      'administer content types',
-      'administer node fields',
       'administer node display',
-      'administer paragraphs types',
-      'administer paragraph fields',
       'administer paragraph display',
-      'administer paragraph form display',
-      'administer node form display',
       'create paragraphed_content_demo content',
       'edit any paragraphed_content_demo content',
-    ));
-    $this->drupalLogin($admin_user);
-
-    $this->drupalLogin($admin_user);
+    ];
+    $this->loginAsAdmin($admin_user);
 
     // Remove the "access content" for anonymous users. That results in
     // anonymous users not being able to "view" the host entity.
@@ -138,7 +122,7 @@ class ParagraphsAccessTest extends WebTestBase {
     $this->assertResponse(403, 'Image could not be downloaded');
 
     // Login as admin with no delete permissions.
-    $this->drupalLogin($admin_user);
+    $this->loginAsAdmin($admin_user);
     // Create a new demo node.
     $this->drupalGet('node/add/paragraphed_content_demo');
     $this->drupalPostForm(NULL, NULL, t('Add Text'));
diff --git a/src/Tests/ParagraphsAdministrationTest.php b/src/Tests/ParagraphsAdministrationTest.php
index cdc5db0..0976b96 100644
--- a/src/Tests/ParagraphsAdministrationTest.php
+++ b/src/Tests/ParagraphsAdministrationTest.php
@@ -11,7 +11,7 @@ use Drupal\simpletest\WebTestBase;
  *
  * @group paragraphs
  */
-class ParagraphsAdministrationTest extends WebTestBase {
+class ParagraphsAdministrationTest extends ParagraphsTestBase {
 
   use FieldUiTestTrait;
 
@@ -21,12 +21,7 @@ class ParagraphsAdministrationTest extends WebTestBase {
    * @var array
    */
   public static $modules = array(
-    'node',
-    'paragraphs',
-    'field',
     'image',
-    'field_ui',
-    'block',
     'file',
     'views'
   );
@@ -39,28 +34,16 @@ class ParagraphsAdministrationTest extends WebTestBase {
     // Create paragraphs and article content types.
     $this->drupalCreateContentType(array('type' => 'paragraphs', 'name' => 'Paragraphs'));
     $this->drupalCreateContentType(array('type' => 'article', 'name' => 'Article'));
-    // Place the breadcrumb, tested in fieldUIAddNewField().
-    $this->drupalPlaceBlock('system_breadcrumb_block');
-    $this->drupalPlaceBlock('local_tasks_block');
-    $this->drupalPlaceBlock('local_actions_block');
-    $this->drupalPlaceBlock('page_title_block');
   }
   /**
    * Tests the revision of paragraphs.
    */
   public function testParagraphsRevisions() {
-    $admin_user = $this->drupalCreateUser(array(
-      'administer nodes',
+    $this->loginAsAdmin([
       'create paragraphs content',
-      'administer content types',
-      'administer node fields',
       'administer node display',
-      'administer paragraphs types',
-      'administer paragraph fields',
-      'administer node form display',
       'edit any paragraphs content',
-    ));
-    $this->drupalLogin($admin_user);
+    ]);
 
     $this->drupalGet('admin/structure/paragraphs_type');
     $this->clickLink(t('Add paragraphs type'));
@@ -152,24 +135,16 @@ class ParagraphsAdministrationTest extends WebTestBase {
    * Tests the paragraph creation.
    */
   public function testParagraphsCreation() {
-    $admin_user = $this->drupalCreateUser(array(
+    $this->loginAsAdmin([
       'administer site configuration',
-      'administer nodes',
       'create article content',
       'create paragraphs content',
-      'administer content types',
-      'administer node fields',
       'administer node display',
-      'administer paragraphs types',
-      'administer paragraph fields',
       'administer paragraph display',
-      'administer paragraph form display',
-      'administer node form display',
       'edit any article content',
       'delete any article content',
       'access files overview',
-    ));
-    $this->drupalLogin($admin_user);
+    ]);
 
     // Assert suggested 'Add a paragraph type' link when there is no type yet.
     $this->drupalGet('admin/structure/paragraphs_type');
diff --git a/src/Tests/ParagraphsEditModesTest.php b/src/Tests/ParagraphsEditModesTest.php
index e81daa7..1cdce0e 100644
--- a/src/Tests/ParagraphsEditModesTest.php
+++ b/src/Tests/ParagraphsEditModesTest.php
@@ -19,11 +19,6 @@ class ParagraphsEditModesTest extends ParagraphsTestBase {
    * @var array
    */
   public static $modules = [
-    'node',
-    'paragraphs',
-    'field',
-    'field_ui',
-    'block',
     'image',
   ];
 
diff --git a/src/Tests/ParagraphsFieldGroupTest.php b/src/Tests/ParagraphsFieldGroupTest.php
index 255170d..2ce941a 100644
--- a/src/Tests/ParagraphsFieldGroupTest.php
+++ b/src/Tests/ParagraphsFieldGroupTest.php
@@ -16,11 +16,7 @@ class ParagraphsFieldGroupTest extends ParagraphsTestBase {
    * @var array
    */
   public static $modules = [
-    'node',
-    'paragraphs',
-    'field',
     'field_group',
-    'field_ui',
   ];
 
   /**
diff --git a/src/Tests/ParagraphsPreviewTest.php b/src/Tests/ParagraphsPreviewTest.php
index f88d200..8e78857 100644
--- a/src/Tests/ParagraphsPreviewTest.php
+++ b/src/Tests/ParagraphsPreviewTest.php
@@ -11,7 +11,7 @@ use Drupal\simpletest\WebTestBase;
  *
  * @group paragraphs
  */
-class ParagraphsPreviewTest extends WebTestBase {
+class ParagraphsPreviewTest extends ParagraphsTestBase {
 
   use FieldUiTestTrait;
 
@@ -21,12 +21,7 @@ class ParagraphsPreviewTest extends WebTestBase {
    * @var array
    */
   public static $modules = array(
-    'node',
-    'paragraphs',
-    'field',
     'image',
-    'field_ui',
-    'block',
   );
 
   /**
@@ -36,29 +31,18 @@ class ParagraphsPreviewTest extends WebTestBase {
     parent::setUp();
     // Create paragraphs and article content types.
     $this->drupalCreateContentType(array('type' => 'article', 'name' => 'Article'));
-    // Place the breadcrumb, tested in fieldUIAddNewField().
-    $this->drupalPlaceBlock('local_tasks_block');
-    $this->drupalPlaceBlock('local_actions_block');
-    $this->drupalPlaceBlock('system_breadcrumb_block');
   }
 
   /**
    * Tests the revision of paragraphs.
    */
   public function testParagraphsPreview() {
-    $admin_user = $this->drupalCreateUser(array(
-      'administer nodes',
-      'administer content types',
-      'administer node fields',
+    $this->loginAsAdmin([
       'administer node display',
-      'administer paragraphs types',
-      'administer paragraph fields',
-      'administer node form display',
       'create article content',
       'edit any article content',
       'delete any article content',
-    ));
-    $this->drupalLogin($admin_user);
+    ]);
 
     $this->drupalGet('admin/structure/paragraphs_type');
     $this->clickLink(t('Add paragraphs type'));
diff --git a/src/Tests/ParagraphsTranslationTest.php b/src/Tests/ParagraphsTranslationTest.php
index 6a5f0fb..3291d00 100644
--- a/src/Tests/ParagraphsTranslationTest.php
+++ b/src/Tests/ParagraphsTranslationTest.php
@@ -14,7 +14,7 @@ use Drupal\simpletest\WebTestBase;
  *
  * @group paragraphs
  */
-class ParagraphsTranslationTest extends WebTestBase {
+class ParagraphsTranslationTest extends ParagraphsTestBase {
 
   /**
    * Modules to enable.
@@ -22,17 +22,15 @@ class ParagraphsTranslationTest extends WebTestBase {
    * @var array
    */
   public static $modules = array(
-    'node',
     'paragraphs_demo',
     'content_translation',
-    'block',
     'link',
   );
 
   /**
    * A user with admin permissions.
    *
-   * @var \Drupal\user\UserInterface $entity
+   * @var array
    */
   protected $admin_user;
 
@@ -41,26 +39,16 @@ class ParagraphsTranslationTest extends WebTestBase {
    */
   protected function setUp() {
     parent::setUp();
-    $this->drupalPlaceBlock('local_tasks_block');
-    $this->drupalPlaceBlock('page_title_block');
-
-    $this->admin_user = $this->drupalCreateUser(array(
+    $this->loginAsAdmin([
       'administer site configuration',
-      'administer nodes',
       'create paragraphed_content_demo content',
       'edit any paragraphed_content_demo content',
       'delete any paragraphed_content_demo content',
-      'administer paragraph form display',
-      'administer paragraph fields',
       'administer content translation',
       'translate any entity',
       'create content translations',
       'administer languages',
-      'administer content types',
-    ));
-
-    $this->drupalLogin($this->admin_user);
-
+    ]);
     $edit = [
       'settings[paragraph][nested_paragraph][translatable]' => TRUE,
       'settings[paragraph][nested_paragraph][settings][language][language_alterable]' => TRUE,