diff --git a/core/modules/field/modules/field_sql_storage/lib/Drupal/field_sql_storage/Tests/FieldSqlStorageTest.php b/core/modules/field/modules/field_sql_storage/lib/Drupal/field_sql_storage/Tests/FieldSqlStorageTest.php
index 2e9070d..f3f08be 100644
--- a/core/modules/field/modules/field_sql_storage/lib/Drupal/field_sql_storage/Tests/FieldSqlStorageTest.php
+++ b/core/modules/field/modules/field_sql_storage/lib/Drupal/field_sql_storage/Tests/FieldSqlStorageTest.php
@@ -372,18 +372,18 @@ function testFieldUpdateIndexesWithData() {
     field_attach_insert('test_entity', $entity);
 
     // Add an index
-    $field = array('field_name' => $field_name, 'indexes' => array('value' => array('value')));
+    $field = array('field_name' => $field_name, 'indexes' => array('delta' => array('delta')));
     field_update_field($field);
     foreach ($tables as $table) {
-      $this->assertTrue(Database::getConnection()->schema()->indexExists($table, "{$field_name}_value"), t("Index on value created in $table"));
+      $this->assertTrue(Database::getConnection()->schema()->indexExists($table, "{$field_name}_delta"), t("Index on delta created in $table"));
     }
 
     // Add a different index, removing the existing custom one.
-    $field = array('field_name' => $field_name, 'indexes' => array('value_format' => array('value', 'format')));
+    $field = array('field_name' => $field_name, 'indexes' => array('delta_format' => array('delta', 'format')));
     field_update_field($field);
     foreach ($tables as $table) {
-      $this->assertTrue(Database::getConnection()->schema()->indexExists($table, "{$field_name}_value_format"), t("Index on value_format created in $table"));
-      $this->assertFalse(Database::getConnection()->schema()->indexExists($table, "{$field_name}_value"), t("Index on value removed in $table"));
+      $this->assertTrue(Database::getConnection()->schema()->indexExists($table, "{$field_name}_delta_format"), t("Index on delta_format created in $table"));
+      $this->assertFalse(Database::getConnection()->schema()->indexExists($table, "{$field_name}_delta"), t("Index on delta removed in $table"));
     }
 
     // Verify that the tables were not dropped.