diff --git a/core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityContentBaseTest.php b/core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityContentBaseTest.php
index d0fd987dc3..12bfd7134e 100644
--- a/core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityContentBaseTest.php
+++ b/core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityContentBaseTest.php
@@ -8,17 +8,11 @@
 namespace Drupal\Tests\migrate\Unit\Plugin\migrate\destination;
 
 use Drupal\Core\Entity\ContentEntityInterface;
-use Drupal\Core\Entity\EntityManagerInterface;
-use Drupal\Core\Entity\EntityStorageInterface;
-use Drupal\Core\Entity\EntityTypeInterface;
-use Drupal\Core\Field\BaseFieldDefinition;
 use Drupal\Core\Field\FieldTypePluginManagerInterface;
 use Drupal\migrate\MigrateException;
-use Drupal\migrate\Plugin\MigrationInterface;
 use Drupal\migrate\Plugin\migrate\destination\EntityContentBase;
 use Drupal\migrate\Plugin\MigrateIdMapInterface;
 use Drupal\migrate\Row;
-use Drupal\Tests\UnitTestCase;
 
 /**
  * Tests base entity migration destination functionality.
@@ -26,44 +20,7 @@
  * @coversDefaultClass \Drupal\migrate\Plugin\migrate\destination\EntityContentBase
  * @group migrate
  */
-class EntityContentBaseTest extends UnitTestCase {
-
-  /**
-   * @var \Drupal\migrate\Plugin\MigrationInterface
-   */
-  protected $migration;
-
-  /**
-   * @var \Drupal\Core\Entity\EntityStorageInterface
-   */
-  protected $storage;
-
-  /**
-   * @var \Drupal\Core\Entity\EntityTypeInterface
-   */
-  protected $entityType;
-
-  /**
-   * @var \Drupal\Core\Entity\EntityManagerInterface
-   */
-  protected $entityManager;
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function setUp() {
-    parent::setUp();
-
-    $this->migration = $this->prophesize(MigrationInterface::class);
-    $this->storage = $this->prophesize(EntityStorageInterface::class);
-
-    $this->entityType = $this->prophesize(EntityTypeInterface::class);
-    $this->entityType->getPluralLabel()->willReturn('wonkiness');
-    $this->storage->getEntityType()->willReturn($this->entityType->reveal());
-    $this->storage->getEntityTypeId()->willReturn('foo');
-
-    $this->entityManager = $this->prophesize(EntityManagerInterface::class);
-  }
+class EntityContentBaseTest extends EntityTestBase {
 
   /**
    * Test basic entity save.
@@ -158,22 +115,3 @@ public static function getEntityTypeId($plugin_id) {
   }
 
 }
-
-/**
- * Stub class for BaseFieldDefinition.
- */
-class BaseFieldDefinitionTest extends BaseFieldDefinition {
-
-  public static function create($type) {
-    return new static([]);
-  }
-
-  public function getSettings() {
-    return [];
-  }
-
-  public function getType() {
-    return 'integer';
-  }
-
-}
diff --git a/core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityRevisionTest.php b/core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityRevisionTest.php
index 3fb4b7dbda..cddb4a707c 100644
--- a/core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityRevisionTest.php
+++ b/core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityRevisionTest.php
@@ -5,13 +5,11 @@
 use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Entity\EntityStorageInterface;
 use Drupal\Core\Entity\EntityTypeInterface;
-use Drupal\Core\Field\BaseFieldDefinition;
 use Drupal\Core\Field\FieldTypePluginManagerInterface;
 use Drupal\migrate\MigrateException;
 use Drupal\migrate\Plugin\MigrationInterface;
 use Drupal\migrate\Plugin\migrate\destination\EntityRevision;
 use Drupal\migrate\Row;
-use Drupal\Tests\UnitTestCase;
 
 /**
  * Tests entity revision destination functionality.
@@ -19,35 +17,7 @@
  * @coversDefaultClass \Drupal\migrate\Plugin\migrate\destination\EntityRevision
  * @group migrate
  */
-class EntityRevisionTest extends UnitTestCase {
-
-  /**
-   * The migration.
-   *
-   * @var \Drupal\migrate\Plugin\MigrationInterface
-   */
-  protected $migration;
-
-  /**
-   * The entity storage.
-   *
-   * @var \Drupal\Core\Entity\EntityStorageInterface
-   */
-  protected $storage;
-
-  /**
-   * The entity type.
-   *
-   * @var \Drupal\Core\Entity\EntityTypeInterface
-   */
-  protected $entityType;
-
-  /**
-   * The entity manager.
-   *
-   * @var \Drupal\Core\Entity\EntityManagerInterface
-   */
-  protected $entityManager;
+class EntityRevisionTest extends EntityTestBase {
 
   /**
    * {@inheritdoc}
@@ -141,22 +111,3 @@ public static function getEntityTypeId($plugin_id) {
   }
 
 }
-
-/**
- * Stub class for BaseFieldDefinition.
- */
-class BaseFieldDefinitionTest extends BaseFieldDefinition {
-
-  public static function create($type) {
-    return new static([]);
-  }
-
-  public function getSettings() {
-    return [];
-  }
-
-  public function getType() {
-    return 'integer';
-  }
-
-}
diff --git a/core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityTestBase.php b/core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityTestBase.php
new file mode 100644
index 0000000000..a2dd7c6e8e
--- /dev/null
+++ b/core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityTestBase.php
@@ -0,0 +1,78 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\migrate\Unit\Plugin\migrate\destination\EntityTestBase
+ */
+
+namespace Drupal\Tests\migrate\Unit\Plugin\migrate\destination;
+
+use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\Entity\EntityStorageInterface;
+use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\Core\Field\BaseFieldDefinition;
+use Drupal\migrate\Plugin\MigrationInterface;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * Base test class forentity migration destination functionality.
+ */
+class EntityTestBase extends UnitTestCase {
+
+  /**
+   * @var \Drupal\migrate\Plugin\MigrationInterface
+   */
+  protected $migration;
+
+  /**
+   * @var \Drupal\Core\Entity\EntityStorageInterface
+   */
+  protected $storage;
+
+  /**
+   * @var \Drupal\Core\Entity\EntityTypeInterface
+   */
+  protected $entityType;
+
+  /**
+   * @var \Drupal\Core\Entity\EntityManagerInterface
+   */
+  protected $entityManager;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    $this->migration = $this->prophesize(MigrationInterface::class);
+    $this->storage = $this->prophesize(EntityStorageInterface::class);
+
+    $this->entityType = $this->prophesize(EntityTypeInterface::class);
+    $this->entityType->getPluralLabel()->willReturn('wonkiness');
+    $this->storage->getEntityType()->willReturn($this->entityType->reveal());
+    $this->storage->getEntityTypeId()->willReturn('foo');
+
+    $this->entityManager = $this->prophesize(EntityManagerInterface::class);
+  }
+
+}
+
+/**
+ * Stub class for BaseFieldDefinition.
+ */
+class BaseFieldDefinitionTest extends BaseFieldDefinition {
+
+  public static function create($type) {
+    return new static([]);
+  }
+
+  public function getSettings() {
+    return [];
+  }
+
+  public function getType() {
+    return 'integer';
+  }
+
+}