diff --git a/tests/Doctrine/Tests/ORM/Mapping/AbstractMappingDriverTest.php b/tests/Doctrine/Tests/ORM/Mapping/AbstractMappingDriverTest.php
index 2a9dcc9b129..28a2abefc05 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/AbstractMappingDriverTest.php
+++ b/tests/Doctrine/Tests/ORM/Mapping/AbstractMappingDriverTest.php
@@ -278,6 +278,9 @@ public function testFieldIsNullableByType(): void
 
         // Explicit Not Nullable
         $this->assertFalse($class->isNullable('username'));
+
+        $this->assertEquals(CmsEmail::class, $class->getAssociationMapping('email')['targetEntity']);
+        $this->assertEquals(CmsEmail::class, $class->getAssociationMapping('mainEmail')['targetEntity']);
     }
 
     public function testFieldTypeFromReflection(): void
diff --git a/tests/Doctrine/Tests/ORM/Mapping/ClassMetadataTest.php b/tests/Doctrine/Tests/ORM/Mapping/ClassMetadataTest.php
index 900736c9a21..ae142ad70c0 100644
--- a/tests/Doctrine/Tests/ORM/Mapping/ClassMetadataTest.php
+++ b/tests/Doctrine/Tests/ORM/Mapping/ClassMetadataTest.php
@@ -127,6 +127,12 @@ public function testFieldIsNullableByType(): void
         // Explicit Not Nullable
         $cm->mapField(['fieldName' => 'username', 'length' => 50]);
         $this->assertFalse($cm->isNullable('username'));
+
+        $cm->mapOneToOne(['fieldName' => 'email', 'joinColumns' => [[]]]);
+        $this->assertEquals(CmsEmail::class, $cm->getAssociationMapping('email')['targetEntity']);
+
+        $cm->mapManyToOne(['fieldName' => 'mainEmail']);
+        $this->assertEquals(CmsEmail::class, $cm->getAssociationMapping('mainEmail')['targetEntity']);
     }
 
     public function testFieldTypeFromReflection(): void