only in patch2:
unchanged:
--- /dev/null
+++ b/src/Tests/GroupTypeTest.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace Drupal\group\Tests;
+
+use Drupal\Core\Entity\EntityFieldManager;
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Ensures that group type functions work correctly.
+ *
+ * @group group
+ */
+class GroupTypeTest extends WebTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['group'];
+
+  /**
+   * Tests creating a group type with title label.
+   */
+  public function testGroupTypeTitleLabel() {
+    $group_type_title = 'Title for foo';
+    $web_user = $this->drupalCreateUser(array(
+      'bypass group access',
+      'administer group'
+    ));
+    $this->drupalLogin($web_user);
+
+    // Define group type fields.
+    $edit = array(
+      'label' => 'Foo group',
+      'id' => 'foo',
+      'description' => 'Foo description',
+      'title_label' => $group_type_title,
+    );
+
+    // Create a new group type.
+    $this->drupalPostForm('admin/group/types/add', $edit, t('Save group type'));
+
+    /** @var EntityFieldManager $fieldManager */
+    $fieldManager = \Drupal::service('entity_field.manager');
+    $fields = $fieldManager->getFieldDefinitions('group', 'foo');
+
+    $this->assertEqual($fields['label']->getLabel(), $group_type_title, 'Group label field is set.');
+  }
+}