diff --git a/core/modules/config/src/Tests/ConfigDiffTest.php b/core/modules/config/src/Tests/ConfigDiffTest.php
index 1f32b27..c2e8686 100644
--- a/core/modules/config/src/Tests/ConfigDiffTest.php
+++ b/core/modules/config/src/Tests/ConfigDiffTest.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\config\Tests;
 
+use Drupal\config_test\Entity\ConfigTest;
 use Drupal\simpletest\KernelTestBase;
 
 /**
@@ -81,11 +82,10 @@ function testDiff() {
 
     // Test diffing a renamed config entity.
     $test_entity_id = $this->randomMachineName();
-    $test_entity = entity_create('config_test', array(
+    $test_entity = ConfigTest::create(array(
       'id' => $test_entity_id,
       'label' => $this->randomMachineName(),
-    ));
-    $test_entity->save();
+    ))->save();
     $data = $active->read('config_test.dynamic.' . $test_entity_id);
     $sync->write('config_test.dynamic.' . $test_entity_id, $data);
     $config_name = 'config_test.dynamic.' . $test_entity_id;
diff --git a/core/modules/config/src/Tests/ConfigEntityNormalizeTest.php b/core/modules/config/src/Tests/ConfigEntityNormalizeTest.php
index 7e0acef..bf49344 100644
--- a/core/modules/config/src/Tests/ConfigEntityNormalizeTest.php
+++ b/core/modules/config/src/Tests/ConfigEntityNormalizeTest.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\config\Tests;
 
+use Drupal\config_test\Entity\ConfigTest;
 use Drupal\simpletest\KernelTestBase;
 
 /**
@@ -29,8 +30,11 @@ protected function setUp() {
   }
 
   public function testNormalize() {
-    $config_entity = entity_create('config_test', array('id' => 'system', 'label' => 'foobar', 'weight' => 1));
-    $config_entity->save();
+    $config_entity = ConfigTest::create(array(
+      'id' => 'system',
+      'label' => 'foobar',
+      'weight' => 1,
+    ))->save();
 
     // Modify stored config entity, this is comparable with a schema change.
     $config = $this->config('config_test.dynamic.system');
diff --git a/core/modules/config/src/Tests/ConfigEntityStatusTest.php b/core/modules/config/src/Tests/ConfigEntityStatusTest.php
index caad767..c2fee07 100644
--- a/core/modules/config/src/Tests/ConfigEntityStatusTest.php
+++ b/core/modules/config/src/Tests/ConfigEntityStatusTest.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\config\Tests;
 
+use Drupal\config_test\Entity\ConfigTest;
 use Drupal\simpletest\KernelTestBase;
 
 /**
@@ -27,7 +28,7 @@ class ConfigEntityStatusTest extends KernelTestBase {
    * Tests the enabling/disabling of entities.
    */
   function testCRUD() {
-    $entity = entity_create('config_test', array(
+    $entity = ConfigTest::create(array(
       'id' => strtolower($this->randomMachineName()),
     ));
     $this->assertTrue($entity->status(), 'Default status is enabled.');
diff --git a/core/modules/config/src/Tests/ConfigEntityTest.php b/core/modules/config/src/Tests/ConfigEntityTest.php
index 13ab721..7cbba18 100644
--- a/core/modules/config/src/Tests/ConfigEntityTest.php
+++ b/core/modules/config/src/Tests/ConfigEntityTest.php
@@ -8,6 +8,7 @@
 namespace Drupal\config\Tests;
 
 use Drupal\Component\Utility\SafeMarkup;
+use Drupal\config_test\Entity\ConfigTest;
 use Drupal\Core\Entity\EntityMalformedException;
 use Drupal\Core\Entity\EntityStorageException;
 use Drupal\Core\Config\Entity\ConfigEntityStorage;
@@ -40,7 +41,7 @@ class ConfigEntityTest extends WebTestBase {
   function testCRUD() {
     $default_langcode = \Drupal::languageManager()->getDefaultLanguage()->getId();
     // Verify default properties on a newly created empty entity.
-    $empty = entity_create('config_test');
+    $empty = ConfigTest::create(array());
     $this->assertTrue($empty->uuid());
     $this->assertIdentical($empty->label, NULL);
     $this->assertIdentical($empty->style, NULL);
@@ -81,7 +82,7 @@ function testCRUD() {
     }
 
     // Verify that an entity with an empty ID string is considered empty, too.
-    $empty_id = entity_create('config_test', array(
+    $empty_id = ConfigTest::create(array(
       'id' => '',
     ));
     $this->assertIdentical($empty_id->isNew(), TRUE);
@@ -94,7 +95,7 @@ function testCRUD() {
     }
 
     // Verify properties on a newly created entity.
-    $config_test = entity_create('config_test', $expected = array(
+    $config_test = ConfigTest::create(array(
       'id' => $this->randomMachineName(),
       'label' => $this->randomString(),
       'style' => $this->randomMachineName(),
@@ -146,7 +147,7 @@ function testCRUD() {
     // maximum allowed length, but not longer.
 
     // Test with a short ID.
-    $id_length_config_test = entity_create('config_test', array(
+    $id_length_config_test = ConfigTest::create(array(
       'id' => $this->randomMachineName(8),
     ));
     try {
@@ -160,7 +161,7 @@ function testCRUD() {
     }
 
     // Test with an ID of the maximum allowed length.
-    $id_length_config_test = entity_create('config_test', array(
+    $id_length_config_test = ConfigTest::create(array(
       'id' => $this->randomMachineName(static::MAX_ID_LENGTH),
     ));
     try {
@@ -174,7 +175,7 @@ function testCRUD() {
     }
 
     // Test with an ID exceeding the maximum allowed length.
-    $id_length_config_test = entity_create('config_test', array(
+    $id_length_config_test = ConfigTest::create(array(
       'id' => $this->randomMachineName(static::MAX_ID_LENGTH + 1),
     ));
     try {
@@ -193,7 +194,7 @@ function testCRUD() {
 
     // Ensure that creating an entity with the same id as an existing one is not
     // possible.
-    $same_id = entity_create('config_test', array(
+    $same_id = ConfigTest::create(array(
       'id' => $config_test->id(),
     ));
     $this->assertIdentical($same_id->isNew(), TRUE);
@@ -227,7 +228,9 @@ function testCRUD() {
 
     // Test config entity prepopulation.
     \Drupal::state()->set('config_test.prepopulate', TRUE);
-    $config_test = entity_create('config_test', array('foo' => 'bar'));
+    $config_test = ConfigTest::create(array(
+      'foo' => 'bar',
+    ));
     $this->assertEqual($config_test->get('foo'), 'baz', 'Initial value correctly populated');
   }
 
diff --git a/core/modules/config/src/Tests/ConfigImportRenameValidationTest.php b/core/modules/config/src/Tests/ConfigImportRenameValidationTest.php
index fe4df02..b7e01b3 100644
--- a/core/modules/config/src/Tests/ConfigImportRenameValidationTest.php
+++ b/core/modules/config/src/Tests/ConfigImportRenameValidationTest.php
@@ -10,6 +10,7 @@
 use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Component\Utility\Unicode;
 use Drupal\Component\Uuid\Php;
+use Drupal\config_test\Entity\ConfigTest;
 use Drupal\Core\Config\ConfigImporter;
 use Drupal\Core\Config\ConfigImporterException;
 use Drupal\Core\Config\StorageComparer;
@@ -72,7 +73,7 @@ protected function setUp() {
   public function testRenameValidation() {
     // Create a test entity.
     $test_entity_id = $this->randomMachineName();
-    $test_entity = entity_create('config_test', array(
+    $test_entity = ConfigTest::create(array(
       'id' => $test_entity_id,
       'label' => $this->randomMachineName(),
     ));
diff --git a/core/modules/config_translation/src/Tests/ConfigTranslationOverviewTest.php b/core/modules/config_translation/src/Tests/ConfigTranslationOverviewTest.php
index 13b56d5..6c3f7f1 100644
--- a/core/modules/config_translation/src/Tests/ConfigTranslationOverviewTest.php
+++ b/core/modules/config_translation/src/Tests/ConfigTranslationOverviewTest.php
@@ -8,6 +8,7 @@
 namespace Drupal\config_translation\Tests;
 
 use Drupal\Component\Utility\Html;
+use Drupal\config_test\Entity\ConfigTest;
 use Drupal\language\Entity\ConfigurableLanguage;
 use Drupal\simpletest\WebTestBase;
 
@@ -95,11 +96,10 @@ public function testMapperListPage() {
     );
 
     foreach ($labels as $label) {
-      $test_entity = entity_create('config_test', array(
+      $test_entity = ConfigTest::create(array(
         'id' => $this->randomMachineName(),
         'label' => $label,
-      ));
-      $test_entity->save();
+      ))->save();
 
       $base_url = 'admin/structure/config_test/manage/' . $test_entity->id();
       $this->drupalGet('admin/config/regional/config-translation/config_test');
diff --git a/core/modules/field/src/Tests/EntityReference/EntityReferenceIntegrationTest.php b/core/modules/field/src/Tests/EntityReference/EntityReferenceIntegrationTest.php
index ef536f4..9111e9d 100644
--- a/core/modules/field/src/Tests/EntityReference/EntityReferenceIntegrationTest.php
+++ b/core/modules/field/src/Tests/EntityReference/EntityReferenceIntegrationTest.php
@@ -8,6 +8,7 @@
 namespace Drupal\field\Tests\EntityReference;
 
 use Drupal\Component\Utility\SafeMarkup;
+use Drupal\config_test\Entity\ConfigTest;
 use Drupal\config\Tests\AssertConfigEntityImportTrait;
 use Drupal\entity_test\Entity\EntityTest;
 use Drupal\field\Entity\FieldConfig;
@@ -198,10 +199,14 @@ protected function assertFieldValues($entity_name, $referenced_entities) {
    *   An array of entity objects.
    */
   protected function getTestEntities() {
-    $config_entity_1 = entity_create('config_test', array('id' => $this->randomMachineName(), 'label' => $this->randomMachineName()));
-    $config_entity_1->save();
-    $config_entity_2 = entity_create('config_test', array('id' => $this->randomMachineName(), 'label' => $this->randomMachineName()));
-    $config_entity_2->save();
+    $config_entity_1 = ConfigTest::create(array(
+      'id' => $this->randomMachineName(),
+      'label' => $this->randomMachineName(),
+    ))->save();
+    $config_entity_2 = ConfigTest::create(array(
+      'id' => $this->randomMachineName(),
+      'label' => $this->randomMachineName()
+    ))->save();
 
     $content_entity_1 = EntityTest::create(array('name' => $this->randomMachineName()));
     $content_entity_1->save();
diff --git a/core/modules/system/src/Tests/Entity/ConfigEntityQueryTest.php b/core/modules/system/src/Tests/Entity/ConfigEntityQueryTest.php
index 09a21d2..0d6a175 100644
--- a/core/modules/system/src/Tests/Entity/ConfigEntityQueryTest.php
+++ b/core/modules/system/src/Tests/Entity/ConfigEntityQueryTest.php
@@ -8,6 +8,7 @@
 namespace Drupal\system\Tests\Entity;
 
 use Drupal\Core\Config\Entity\Query\QueryFactory;
+use Drupal\config_test\Entity\ConfigTest;
 use Drupal\simpletest\KernelTestBase;
 use Drupal\config_test\Entity\ConfigQueryTest;
 
@@ -604,7 +605,7 @@ public function testLookupKeys() {
     $key_value = $this->container->get('keyvalue')->get(QueryFactory::CONFIG_LOOKUP_PREFIX . 'config_test');
 
     $test_entities = [];
-    $entity = entity_create('config_test', array(
+    $entity = ConfigTest::create(array(
       'label' => $this->randomMachineName(),
       'id' => '1',
       'style' => 'test',
@@ -617,7 +618,7 @@ public function testLookupKeys() {
     $expected[] = $entity->getConfigDependencyName();
     $this->assertEqual($expected, $key_value->get('style:test'));
 
-    $entity = entity_create('config_test', array(
+    $entity = ConfigTest::create(array(
       'label' => $this->randomMachineName(),
       'id' => '2',
       'style' => 'test',
@@ -628,7 +629,7 @@ public function testLookupKeys() {
     $expected[] = $entity->getConfigDependencyName();
     $this->assertEqual($expected, $key_value->get('style:test'));
 
-    $entity = entity_create('config_test', array(
+    $entity = ConfigTest::create(array(
       'label' => $this->randomMachineName(),
       'id' => '3',
       'style' => 'blah',