--- /dev/null
+<?php
+
+namespace Drupal\Tests\layout_builder\Kernel;
+
+use Drupal\Core\Config\Schema\SchemaIncompleteException;
+use Drupal\layout_builder\Entity\LayoutBuilderEntityViewDisplay;
+
+/**
+ * @coversDefaultClass \Drupal\layout_builder\Entity\LayoutBuilderEntityViewDisplay
+ *
+ * @group layout_builder
+ */
+class LayoutBuilderEntityViewDisplayTest extends SectionStorageTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getSectionStorage(array $section_data) {
+ $display = LayoutBuilderEntityViewDisplay::create([
+ 'targetEntityType' => 'entity_test',
+ 'bundle' => 'entity_test',
+ 'mode' => 'default',
+ 'status' => TRUE,
+ 'third_party_settings' => [
+ 'layout_builder' => [
+ 'sections' => $section_data,
+ ],
+ ],
+ ]);
+ $display->save();
+ return $display;
+ }
+
+ /**
+ * Tests that configuration schema enforces valid values.
+ */
+ public function testInvalidConfiguration() {
+ $this->setExpectedException(SchemaIncompleteException::class);
+ $this->sectionStorage->getSection(0)->getComponent('first-uuid')->setConfiguration(['id' => 'foo', 'bar' => 'baz']);
+ $this->sectionStorage->save();
+ }
+
+}