diff --git a/core/tests/Drupal/KernelTests/Core/Database/BasicSyntaxTest.php b/core/tests/Drupal/KernelTests/Core/Database/BasicSyntaxTest.php
index 53a87b7..084b2cd 100644
--- a/core/tests/Drupal/KernelTests/Core/Database/BasicSyntaxTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/BasicSyntaxTest.php
@@ -30,13 +30,13 @@ public function testConcatLiterals() {
    * Tests string concatenation with field values.
    */
   public function testConcatFields() {
-    $result = db_query('SELECT CONCAT(:a1, CONCAT(name, CONCAT(:a2, CONCAT(age, :a3)))) FROM {test} WHERE age = :age', [
+    $result = db_query('SELECT CONCAT(:a1, CONCAT(job, CONCAT(:a2, CONCAT(age, :a3)))) FROM {test} WHERE age = :age', [
       ':a1' => 'The age of ',
       ':a2' => ' is ',
       ':a3' => '.',
       ':age' => 25,
     ]);
-    $this->assertIdentical($result->fetchField(), 'The age of John is 25.', 'Field CONCAT works.');
+    $this->assertIdentical($result->fetchField(), 'The age of Singer is 25.', 'Field CONCAT works.');
   }
 
   /**
diff --git a/core/tests/Drupal/KernelTests/Core/Database/UpdateTest.php b/core/tests/Drupal/KernelTests/Core/Database/UpdateTest.php
index 6bc9131..ad61993 100644
--- a/core/tests/Drupal/KernelTests/Core/Database/UpdateTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/UpdateTest.php
@@ -2,6 +2,8 @@
 
 namespace Drupal\KernelTests\Core\Database;
 
+use Drupal\Core\Database\Database;
+
 /**
  * Tests the update query builder.
  *
@@ -114,6 +116,10 @@ public function testExpressionUpdate() {
    * Tests return value on update.
    */
   public function testUpdateAffectedRows() {
+    throw new \Exception(get_class(Database::getConnection());
+    if (!strpos(get_class(Database::getConnection()), 'Drupal\\Core\\Database\\Driver') === 0) {
+      $this->markTestSkipped('Ignored update affected rows test for non-core drivers.');
+    }
     // At 5am in the morning, all band members but those with a priority 1 task
     // are sleeping. So we set their tasks to 'sleep'. 5 records match the
     // condition and therefore are affected by the query, even though two of