diff --git a/tests/Doctrine/Tests/ORM/Functional/Ticket/GH10880Test.php b/tests/Doctrine/Tests/ORM/Functional/Ticket/GH10880Test.php
index f48dc7a74ff..076630b5a20 100644
--- a/tests/Doctrine/Tests/ORM/Functional/Ticket/GH10880Test.php
+++ b/tests/Doctrine/Tests/ORM/Functional/Ticket/GH10880Test.php
@@ -4,6 +4,7 @@
 
 namespace Doctrine\Tests\ORM\Functional\Ticket;
 
+use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 use Doctrine\Tests\OrmFunctionalTestCase;
 
@@ -14,6 +15,7 @@ protected function setUp(): void
         parent::setUp();
 
         $this->setUpEntitySchema([
+            GH10880BaseProcess::class,
             GH10880Process::class,
             GH10880ProcessOwner::class,
             GH10880ProcessStage::class,
@@ -42,10 +44,10 @@ public function testProcessShouldBeUpdated(): void
         $this->_em->flush();
         $this->_em->clear();
 
-        $ownerLoaded   = $this->_em->find(GH10880ProcessOwner::class, $owner->id);
+        $ownerLoaded   = $this->_em->getRepository(GH10880ProcessOwner::class)->find($owner->id);
         $processLoaded = $ownerLoaded->process;
 
-        $stageBLoaded                = $this->_em->find(GH10880ProcessStage::class, $stageB->id);
+        $stageBLoaded = $this->_em->getRepository(GH10880ProcessStage::class)->find($stageB->id);
         $processLoaded->currentStage = $stageBLoaded;
 
         $queryLog = $this->getQueryLog();
@@ -53,7 +55,7 @@ public function testProcessShouldBeUpdated(): void
         $this->_em->flush();
 
         self::assertCount(1, $queryLog->queries);
-        self::assertSame('UPDATE GH10880Process SET currentStage_id = ? WHERE id = ?', $queryLog->queries[0]['sql']);
+        self::assertSame('UPDATE processes SET current_stage = ? WHERE id = ?', $queryLog->queries[0]['sql']);
     }
 }
 
@@ -72,17 +74,44 @@ class GH10880ProcessOwner
     public $id = null;
 
     /**
-     * @ORM\ManyToOne(targetEntity="GH10880Process")
+     * @ORM\ManyToOne(targetEntity="GH10880Process", cascade={"persist"}, fetch="EAGER")
+     * @ORM\JoinColumns({
+     *   @ORM\JoinColumn(name="process_id", referencedColumnName="id", onDelete="SET NULL")
+     * })
      *
      * @var GH10880Process
      */
     public $process;
+
 }
 
 /**
  * @ORM\Entity
  */
-class GH10880Process
+class GH10880Process extends GH10880BaseProcess
+{
+    /**
+     * @ORM\OneToOne(targetEntity="GH10880ProcessOwner")
+     * @ORM\JoinColumns({
+     *   @ORM\JoinColumn(name="parent_object_id", referencedColumnName="id", onDelete="CASCADE")
+     * })
+     *
+     * @var GH10880ProcessOwner
+     */
+    public $owner;
+
+}
+
+/**
+ * @ORM\Entity()
+ * @ORM\InheritanceType("SINGLE_TABLE")
+ * @ORM\DiscriminatorColumn(name="process_parent", type="string")
+ * @ORM\Table(name="processes")
+ * @ORM\DiscriminatorMap({
+ *  "process" = "GH10880Process"
+ * })
+ */
+class GH10880BaseProcess
 {
     /**
      * @ORM\Id
@@ -94,18 +123,30 @@ class GH10880Process
     public $id = null;
 
     /**
-     * @ORM\OneToOne(targetEntity="GH10880ProcessOwner")
+     * @ORM\OneToOne(targetEntity="GH10880ProcessStage", fetch="EAGER")
+     * @ORM\JoinColumns({
+     *   @ORM\JoinColumn(name="current_stage", referencedColumnName="id", onDelete="SET NULL")
+     * })
      *
-     * @var GH10880ProcessOwner
+     * @var GH10880ProcessStage
      */
-    public $owner;
+    public $currentStage;
 
     /**
-     * @ORM\OneToOne(targetEntity="GH10880ProcessStage")
+     * @ORM\OneToMany(targetEntity="GH10880ProcessStage", mappedBy="process", cascade={"all"}, orphanRemoval=true, fetch="EAGER")
+     * @ORM\JoinColumns({
+     *   @ORM\JoinColumn(name="id", referencedColumnName="process_id", onDelete="CASCADE")
+     * })
      *
-     * @var GH10880ProcessStage
+     * @var Collection
      */
-    public $currentStage;
+    public $stages;
+
+    /**
+     *
+     * @ORM\Column(name="parent_object_id", type="string", length=255, nullable=true)
+     */
+    public $parentObject;
 }
 
 /**
@@ -123,7 +164,10 @@ class GH10880ProcessStage
     public $id = null;
 
     /**
-     * @ORM\ManyToOne(targetEntity="GH10880Process")
+     * @ORM\ManyToOne(targetEntity="GH10880Process", inversedBy="stages")
+     * @ORM\JoinColumns({
+     *   @ORM\JoinColumn(name="process_id", referencedColumnName="id", onDelete="CASCADE")
+     * })
      *
      * @var GH10880Process
      */