Resolve #3467655 "2.0.0 beta2 field formatters"

Closes #3467655

modules/ui_patterns_field_formatters/tests/src/Functional/FieldFormatterRenderTest.php

+<?php
+
+namespace Drupal\Tests\ui_patterns_field_formatters\Functional;
+
+use Drupal\Tests\ui_patterns\Functional\UiPatternsFunctionalTestBase;
+use Drupal\Tests\ui_patterns\Traits\TestDataTrait;
+
+/**
+ * Test pattern preview rendering.
+ *
+ * @group ui_patterns_layouts
+ */
+class FieldFormatterRenderTest extends UiPatternsFunctionalTestBase {
+
+  use TestDataTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = [
+    'node',
+    'ui_patterns',
+    'ui_patterns_test',
+    'ui_patterns_field_formatters',
+    'field_ui',
+    'block',
+  ];
+
+  /**
+   * Tests preview and output of props.
+   */
+  public function testRender(): void {
+    $assert_session = $this->assertSession();
+    $test_data = self::loadTestDataFixture();
+    $test_data_field_formatters = self::loadTestDataFixture(__DIR__ . "/../fixtures/tests.yml");
+    $tests = array_merge($test_data->getTestSets(), $test_data_field_formatters->getTestSets());
+    foreach ($tests as $test_set) {
+      if (!isset($test_set["assertSession"])) {
+        // We kep only tests with assertSession tests defined.
+        continue;
+      }
+      $node = $this->createTestContentNode('page', $test_set['entity'] ?? []);
+      $ui_patterns_config_to_set = $this->buildUiPatternsConfig($test_set);
+      // -----
+      // Display Classic
+      $config_import = $this->loadConfigFixture(__DIR__ . '/../fixtures/core.entity_view_display.node.page.full.classic.yml');
+      $ui_patterns_config_classic_1 = &$config_import['content']['body']['settings']['ui_patterns'];
+      $ui_patterns_config_classic_1 = $ui_patterns_config_to_set;
+
+      $this->importConfigFixture('core.entity_view_display.node.page.full', $config_import);
+      $this->drupalGet('node/' . $node->id());
+      $assert_session->statusCodeEquals(200);
+      $this->validateRenderedComponent($test_set);
+      $this->assertSessionObject($test_set["assertSession"]);
+    }
+  }
+
+}