diff --git a/src/Plugin/Field/FieldWidget/ParagraphsWidget.php b/src/Plugin/Field/FieldWidget/ParagraphsWidget.php
index 2514da5..f7ee110 100644
--- a/src/Plugin/Field/FieldWidget/ParagraphsWidget.php
+++ b/src/Plugin/Field/FieldWidget/ParagraphsWidget.php
@@ -1781,7 +1781,7 @@ class ParagraphsWidget extends WidgetBase {
     }
 
     // Add information into delta mapping for the new element.
-    $original_deltas_size = count($widget_state['original_deltas']);
+    $original_deltas_size = count($widget_state['original_deltas'] ?? []);
     $new_original_deltas[$new_delta] = $original_deltas_size;
     $user_input[$original_deltas_size]['_weight'] = $new_delta;
 
diff --git a/tests/src/Functional/Migrate/MigrateUiParagraphsTestBase.php b/tests/src/Functional/Migrate/MigrateUiParagraphsTestBase.php
index 0a34a22..8490451 100644
--- a/tests/src/Functional/Migrate/MigrateUiParagraphsTestBase.php
+++ b/tests/src/Functional/Migrate/MigrateUiParagraphsTestBase.php
@@ -409,7 +409,9 @@ abstract class MigrateUiParagraphsTestBase extends MigrateUpgradeTestBase {
     $session->pageTextContains('Provide credentials for the database of the Drupal site you want to upgrade.');
 
     $driver = $connection_options['driver'];
-    $connection_options['prefix'] = $connection_options['prefix']['default'];
+    if (floatval(\Drupal::VERSION) < 9.3) {
+      $connection_options['prefix'] = $connection_options['prefix']['default'];
+    }
 
     // Use the driver connection form to get the correct options out of the
     // database settings. This supports all of the databases we test against.
diff --git a/tests/src/Functional/WidgetLegacy/ParagraphsAdministrationTest.php b/tests/src/Functional/WidgetLegacy/ParagraphsAdministrationTest.php
index b40a554..b4c4478 100644
--- a/tests/src/Functional/WidgetLegacy/ParagraphsAdministrationTest.php
+++ b/tests/src/Functional/WidgetLegacy/ParagraphsAdministrationTest.php
@@ -247,10 +247,14 @@ class ParagraphsAdministrationTest extends ParagraphsTestBase {
     $this->assertSession()->pageTextContains('article Test article has been created.');
 
     $node = $this->drupalGetNodeByTitle('Test article');
-    $img1_url = file_create_url(\Drupal::token()->replace('public://[date:custom:Y]-[date:custom:m]/' . $files[0]->filename));
-    $img2_url = file_create_url(\Drupal::token()->replace('public://[date:custom:Y]-[date:custom:m]/' . $files[1]->filename));
-    $img1_size = filesize($files[0]->uri);
-    $img2_size = filesize($files[1]->uri);
+    if (floatval(\Drupal::VERSION) >= 9.3) {
+      $img1_url = \Drupal::service('file_url_generator')->generateString(\Drupal::token()->replace('public://[date:custom:Y]-[date:custom:m]/' . $files[0]->filename));
+      $img2_url = \Drupal::service('file_url_generator')->generateString(\Drupal::token()->replace('public://[date:custom:Y]-[date:custom:m]/' . $files[1]->filename));
+    }
+    else {
+      $img1_url = file_create_url(\Drupal::token()->replace('public://[date:custom:Y]-[date:custom:m]/' . $files[0]->filename));
+      $img2_url = file_create_url(\Drupal::token()->replace('public://[date:custom:Y]-[date:custom:m]/' . $files[1]->filename));
+    }
     $img1_mime = \Drupal::service('file.mime_type.guesser')->guess($files[0]->uri);
     $img2_mime = \Drupal::service('file.mime_type.guesser')->guess($files[1]->uri);
 
diff --git a/tests/src/Functional/WidgetStable/ParagraphsAdministrationTest.php b/tests/src/Functional/WidgetStable/ParagraphsAdministrationTest.php
index 6f4a147..6181c7a 100644
--- a/tests/src/Functional/WidgetStable/ParagraphsAdministrationTest.php
+++ b/tests/src/Functional/WidgetStable/ParagraphsAdministrationTest.php
@@ -254,8 +254,6 @@ class ParagraphsAdministrationTest extends ParagraphsTestBase {
       $img1_url = file_create_url(\Drupal::token()->replace('public://[date:custom:Y]-[date:custom:m]/' . $files[0]->filename));
       $img2_url = file_create_url(\Drupal::token()->replace('public://[date:custom:Y]-[date:custom:m]/' . $files[1]->filename));
     }
-    $img1_size = filesize($files[0]->uri);
-    $img2_size = filesize($files[1]->uri);
     $img1_mime = \Drupal::service('file.mime_type.guesser')->guess($files[0]->uri);
     $img2_mime = \Drupal::service('file.mime_type.guesser')->guess($files[1]->uri);
 
diff --git a/tests/src/FunctionalJavascript/LoginAdminTrait.php b/tests/src/FunctionalJavascript/LoginAdminTrait.php
index baf3032..6ddd332 100644
--- a/tests/src/FunctionalJavascript/LoginAdminTrait.php
+++ b/tests/src/FunctionalJavascript/LoginAdminTrait.php
@@ -28,6 +28,7 @@ trait LoginAdminTrait {
       'administer node form display',
       'administer paragraph fields',
       'administer paragraph form display',
+      'bypass node access',
     ];
 
     if ($reset_permissions) {