diff --git a/src/TestCase.php b/src/TestCase.php
index f91bee5..4c229a7 100644
--- a/src/TestCase.php
+++ b/src/TestCase.php
@@ -3,19 +3,21 @@ namespace nulib\tests;
 
 use Error;
 use Exception;
+use nulib\cache\cache;
+use nulib\db\sqlite\SqliteStorage;
 use PHPUnit\Framework\Constraint\Exception as ConstraintException;
 use PHPUnit\Framework\TestCase as BaseTestCase;
 
 abstract class TestCase extends BaseTestCase {
   const UNCHANGED_ARRAY = ["unchanged"];
 
-  static function assertException($class, callable $func, ...$args) {
+  static function assertException($exceptionClass, callable $func, ...$args) {
     try {
       call_user_func_array($func, $args);
       $e = null;
     } catch (Exception $e) {
     }
-    self::assertThat($e, new ConstraintException($class));
+    self::assertThat($e, new ConstraintException($exceptionClass));
   }
 
   static function assertNotException(callable $func, ...$args) {
@@ -29,13 +31,13 @@ abstract class TestCase extends BaseTestCase {
     self::assertTrue($e === null, $message);
   }
 
-  static function assertError($class, callable $func, ...$args) {
+  static function assertError($errorClass, callable $func, ...$args) {
     try {
       call_user_func_array($func, $args);
       $e = null;
     } catch (Error $e) {
     }
-    self::assertThat($e, new ConstraintException($class));
+    self::assertThat($e, new ConstraintException($errorClass));
   }
 
   static function assertNotError(callable $func, ...$args) {
@@ -57,6 +59,13 @@ abstract class TestCase extends BaseTestCase {
     self::assertSame($expected, array_values($actual));
   }
 
+  static function setUpBeforeClass(): void {
+    parent::setUpBeforeClass();
+    if (class_exists('nulib\output\msg')) {
+      \nulib\output\msg::set_messenger_class(\nulib\output\std\StdMessenger::class);
+    }
+  }
+
   protected $origTz = '';
 
   /**
@@ -64,11 +73,13 @@ abstract class TestCase extends BaseTestCase {
    * de date soient corrects
    */
   protected function setUp(): void {
+    parent::setUp();
     $this->origTz = date_default_timezone_get();
     date_default_timezone_set("Indian/Reunion");
   }
 
   protected function tearDown(): void {
+    parent::tearDown();
     if ($this->origTz !== '') {
       date_default_timezone_set($this->origTz);
     }