diff --git a/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php b/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php
index 013c154..ec17116 100644
--- a/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php
@@ -244,7 +244,7 @@ public function testGetSchemaBase($uuid_key) {
           'id' => array(
             'description' => 'The id field.',
             'type' => 'serial',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'name' => array(
             'description' => 'The name field.',
@@ -339,7 +339,7 @@ public function testGetSchemaBase($uuid_key) {
         'type' => 'varchar',
         'length' => 128,
         'description' => 'The uuid field.',
-        'not null' => TRUE,
+        'not null' => FALSE,
       );
       $expected['entity_test']['unique keys']['entity_test__uuid'] = array('uuid');
     }
@@ -413,12 +413,12 @@ public function testGetSchemaRevisionable() {
           'id' => array(
             'description' => 'The id field.',
             'type' => 'serial',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'int',
-            'not null' => TRUE,
+            'not null' => FALSE,
           )
         ),
         'primary key' => array('id'),
@@ -439,12 +439,12 @@ public function testGetSchemaRevisionable() {
           'id' => array(
             'description' => 'The id field.',
             'type' => 'int',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'serial',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
         ),
         'primary key' => array('revision_id'),
@@ -512,12 +512,12 @@ public function testGetSchemaTranslatable() {
           'id' => array(
             'description' => 'The id field.',
             'type' => 'serial',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'langcode' => array(
             'description' => 'The langcode field.',
             'type' => 'varchar',
-            'not null' => TRUE,
+            'not null' => FALSE,
           )
         ),
         'primary key' => array('id'),
@@ -530,12 +530,12 @@ public function testGetSchemaTranslatable() {
           'id' => array(
             'description' => 'The id field.',
             'type' => 'int',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'langcode' => array(
             'description' => 'The langcode field.',
             'type' => 'varchar',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
         ),
         'primary key' => array('id', 'langcode'),
@@ -618,17 +618,17 @@ public function testGetSchemaRevisionableTranslatable() {
           'id' => array(
             'description' => 'The id field.',
             'type' => 'serial',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'int',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'langcode' => array(
             'description' => 'The langcode field.',
             'type' => 'varchar',
-            'not null' => TRUE,
+            'not null' => FALSE,
           )
         ),
         'primary key' => array('id'),
@@ -649,17 +649,17 @@ public function testGetSchemaRevisionableTranslatable() {
           'id' => array(
             'description' => 'The id field.',
             'type' => 'int',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'serial',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'langcode' => array(
             'description' => 'The langcode field.',
             'type' => 'varchar',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
         ),
         'primary key' => array('revision_id'),
@@ -679,17 +679,17 @@ public function testGetSchemaRevisionableTranslatable() {
           'id' => array(
             'description' => 'The id field.',
             'type' => 'int',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'int',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'langcode' => array(
             'description' => 'The langcode field.',
             'type' => 'varchar',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
         ),
         'primary key' => array('id', 'langcode'),
@@ -709,17 +709,17 @@ public function testGetSchemaRevisionableTranslatable() {
           'id' => array(
             'description' => 'The id field.',
             'type' => 'int',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'revision_id' => array(
             'description' => 'The revision_id field.',
             'type' => 'int',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
           'langcode' => array(
             'description' => 'The langcode field.',
             'type' => 'varchar',
-            'not null' => TRUE,
+            'not null' => FALSE,
           ),
         ),
         'primary key' => array('revision_id', 'langcode'),