diff --git a/tests/Doctrine/Tests/Models/DDC6613/Phone.php b/tests/Doctrine/Tests/Models/DDC6613/Phone.php
new file mode 100644
index 000000000..9ce090960
--- /dev/null
+++ b/tests/Doctrine/Tests/Models/DDC6613/Phone.php
@@ -0,0 +1,30 @@
+<?php
+/**
+ *
+ * User: Uladzimir Struts <Sysaninster@gmail.com>
+ * Date: 11.08.2017
+ * Time: 13:12
+ */
+
+namespace Doctrine\Tests\Models\DDC6613;
+
+
+/**
+ * @Table(name="ddc6613_phone")
+ */
+
+class Phone
+{
+
+    /**
+     * @Id
+     * @GeneratedValue(strategy="NONE")
+     * @Column(type="integer")
+     */
+    public $id;
+
+    public function __construct()
+    {
+        $this->id = uniqid('phone', true);
+    }
+}
\ No newline at end of file
diff --git a/tests/Doctrine/Tests/Models/DDC6613/User.php b/tests/Doctrine/Tests/Models/DDC6613/User.php
new file mode 100644
index 000000000..6b233c0a2
--- /dev/null
+++ b/tests/Doctrine/Tests/Models/DDC6613/User.php
@@ -0,0 +1,44 @@
+<?php
+/**
+ *
+ * User: Uladzimir Struts <Sysaninster@gmail.com>
+ * Date: 11.08.2017
+ * Time: 13:12
+ */
+
+namespace Doctrine\Tests\Models\DDC6613;
+
+
+use Doctrine\Common\Collections\ArrayCollection;
+
+/**
+ * @Entity()
+ * @Table(name="ddc6613_user")
+ */
+class User
+{
+
+    /**
+     * @Id
+     * @GeneratedValue(strategy="NONE")
+     * @Column(type="string")
+     */
+    private $id;
+
+
+    /**
+     * @ManyToMany(targetEntity="Phone", fetch="LAZY", cascade={"remove", "detach"})
+     */
+    public $phones;
+
+    /**
+     * User constructor.
+     */
+    public function __construct()
+    {
+        $this->id     = uniqid('user', true);
+        $this->phones = new ArrayCollection();
+    }
+
+
+}
\ No newline at end of file