--- /dev/null
+<?php
+
+namespace Drupal\Tests\block_content\Unit\Access;
+
+use Drupal\Core\Access\AccessibleInterface;
+use Drupal\Core\Access\AccessResultInterface;
+
+/**
+ * Helper methods testing accessible interfaces.
+ */
+trait AccessibleTestingTrait {
+
+ /**
+ * The test account.
+ *
+ * @var \Drupal\Core\Session\AccountInterface
+ */
+ protected $account;
+
+ /**
+ * Creates AccessibleInterface object from access result object for testing.
+ *
+ * @param \Drupal\Core\Access\AccessResultInterface $accessResult
+ * The accessible result to return.
+ *
+ * @return \Drupal\Core\Access\AccessibleInterface
+ * The AccessibleInterface object.
+ */
+ private function createAccessibleDouble(AccessResultInterface $accessResult) {
+ $accessible = $this->prophesize(AccessibleInterface::class);
+ $accessible->access('view', $this->account, TRUE)
+ ->willReturn($accessResult);
+ return $accessible->reveal();
+ }
+
+}