diff --git a/ckeditor_config.info.yml b/ckeditor_config.info.yml
index 37fb3a4..62255be 100644
--- a/ckeditor_config.info.yml
+++ b/ckeditor_config.info.yml
@@ -2,8 +2,7 @@ name: 'CKEditor custom config'
 type: module
 description: 'Extends core CKEditor to support custom configuration.'
 package: Custom
-core: 8.x
-core_version_requirement: ^8 || ^9
+core_version_requirement: ^8 || ^9 || ^10

 dependencies:
   - drupal:ckeditor (>=8.5)
diff --git a/tests/src/FunctionalJavascript/CkeditorConfigTest.php b/tests/src/FunctionalJavascript/CkeditorConfigTest.php
index 0034ff0..c1331b2 100644
--- a/tests/src/FunctionalJavascript/CkeditorConfigTest.php
+++ b/tests/src/FunctionalJavascript/CkeditorConfigTest.php
@@ -130,26 +130,26 @@ class CkeditorConfigTest extends WebDriverTestBase {
     $stored_value = $settings['plugins']['customconfig']['ckeditor_custom_config'];
     // Normalize line endings in config value.
     $stored_value = str_replace(["\r\n", "\n", "\r"], PHP_EOL, $stored_value);
-    $this->assertIdentical($test_value, $stored_value);
+    $this->assertSame($test_value, $stored_value);

     // Verify submitted values are rendered in drupal-settings-json.
     $this->drupalGet('node/add/page');
     $this->waitForEditor();
     $settings = $this->getDrupalSettings();
     $settings = $settings['editor']['formats']['testing_text_format']['editorSettings'];
-    $this->assertIdentical($settings['forcePasteAsPlainText'], TRUE);
+    $this->assertSame($settings['forcePasteAsPlainText'], TRUE);
     // This value overrides the default value set by the CKEditor's
     // Internal plugin.
-    $this->assertIdentical($settings['pasteFromWordPromptCleanup'], FALSE);
-    $this->assertIdentical($settings['removePlugins'], 'font');
-    $this->assertIdentical($settings['tabIndex'], 3);
+    $this->assertSame($settings['pasteFromWordPromptCleanup'], FALSE);
+    $this->assertSame($settings['removePlugins'], 'font');
+    $this->assertSame($settings['tabIndex'], 3);
     $test_value = [
       'attributes' => [
         'class' => 'contentTitle2',
       ],
       'element' => 'h2',
     ];
-    $this->assertIdentical($settings['format_h2'], $test_value);
+    $this->assertSame($settings['format_h2'], $test_value);
   }

 }
