.../src/Unit/Normalizer/EntityReferenceFieldItemNormalizerTest.php  | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/core/modules/serialization/tests/src/Unit/Normalizer/EntityReferenceFieldItemNormalizerTest.php b/core/modules/serialization/tests/src/Unit/Normalizer/EntityReferenceFieldItemNormalizerTest.php
index e9df564..ce0c307 100644
--- a/core/modules/serialization/tests/src/Unit/Normalizer/EntityReferenceFieldItemNormalizerTest.php
+++ b/core/modules/serialization/tests/src/Unit/Normalizer/EntityReferenceFieldItemNormalizerTest.php
@@ -70,7 +70,7 @@ protected function setUp() {
     $this->serializer = $this->prophesize(Serializer::class);
     // Set up the serializer to return an entity property.
     $this->serializer->normalize(Argument::cetera())
-      ->willReturn(['value' => 'test']);
+      ->willReturn('test');
 
     $this->normalizer->setSerializer($this->serializer->reveal());
 
@@ -131,7 +131,7 @@ public function testNormalize() {
     $normalized = $this->normalizer->normalize($this->fieldItem->reveal());
 
     $expected = [
-      'target_id' => ['value' => 'test'],
+      'target_id' => 'test',
       'target_type' => 'test_type',
       'target_uuid' => '080e3add-f9d5-41ac-9821-eea55b7b42fb',
       'url' => $test_url,
@@ -159,7 +159,7 @@ public function testNormalizeWithNoEntity() {
     $normalized = $this->normalizer->normalize($this->fieldItem->reveal());
 
     $expected = [
-      'target_id' => ['value' => 'test'],
+      'target_id' => 'test',
     ];
     $this->assertSame($expected, $normalized);
   }