diff --git a/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php b/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
index 893456630..fbcb2e37d 100644
--- a/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
+++ b/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
@@ -37,6 +37,7 @@ use Ticket;
 use URP_UserProfile;
 use User;
 use UserRequest;
+use UserRights;
 use utils;
 use VirtualHost;
 use VirtualMachine;
@@ -141,6 +142,7 @@ abstract class ItopDataTestCase extends ItopTestCase
 
 		// Leave the place clean
 		\UserRights::Logoff();
+		$this->SetNonPublicStaticProperty(UserRights::class, 'm_aCacheUsers', []);
 
 		foreach ($this->aEventListeners as $sListenerId) {
 			EventService::UnRegisterListener($sListenerId);
diff --git a/tests/php-unit-tests/unitary-tests/core/DBObjectTest.php b/tests/php-unit-tests/unitary-tests/core/DBObjectTest.php
index 984a3f570..85e7c6ef3 100644
--- a/tests/php-unit-tests/unitary-tests/core/DBObjectTest.php
+++ b/tests/php-unit-tests/unitary-tests/core/DBObjectTest.php
@@ -451,7 +451,6 @@ class DBObjectTest extends ItopDataTestCase
 
 	/**
 	 * @covers DBObject::CheckChangedExtKeysValues()
-	 * @runInSeparateProcess MetaModel::GetObject returning wrong values :(
 	 */
 	public function testCheckExtKeysSiloOnAttributeExternalKey()
 	{
@@ -529,7 +528,6 @@ class DBObjectTest extends ItopDataTestCase
 
 	/**
 	 * @covers DBObject::CheckChangedExtKeysValues()
-	 * @runInSeparateProcess MetaModel::GetObject returning wrong values :(
 	 */
 	public function testCheckExtKeysOnAttributeLinkedSetIndirect()
 	{
@@ -631,7 +629,6 @@ class DBObjectTest extends ItopDataTestCase
 
 	/**
 	 * @covers DBObject::CheckChangedExtKeysValues()
-	 * @runInSeparateProcess MetaModel::GetObject returning wrong values :(
 	 */
 	public function testCheckExtKeysSiloOnAttributeObjectKey()
 	{
@@ -685,7 +682,7 @@ class DBObjectTest extends ItopDataTestCase
 	private function CreateDemoOrgUser(Organization $oDemoOrg, string $sProfileId): User
 	{
 		utils::GetConfig()->SetModuleSetting('authent-local', 'password_validation.pattern', '');
-		$oUserWithAllowedOrgs = $this->CreateContactlessUser('demo_test_' . __CLASS__, $sProfileId);
+		$oUserWithAllowedOrgs = $this->CreateContactlessUser('demo_test_' . uniqid(__CLASS__, true), $sProfileId);
 		/** @var \URP_UserOrg $oUserOrg */
 		$oUserOrg = \MetaModel::NewObject('URP_UserOrg', ['allowed_org_id' => $oDemoOrg->GetKey(),]);
 		$oAllowedOrgList = $oUserWithAllowedOrgs->Get('allowed_org_list');
diff --git a/tests/php-unit-tests/unitary-tests/core/TriggerTest.php b/tests/php-unit-tests/unitary-tests/core/TriggerTest.php
index f8abde406..486b829ec 100644
--- a/tests/php-unit-tests/unitary-tests/core/TriggerTest.php
+++ b/tests/php-unit-tests/unitary-tests/core/TriggerTest.php
@@ -92,7 +92,7 @@ class TriggerTest extends ItopDataTestCase
 		IssueLog::Enable($sTestLogPath);
 
 		try {
-			$oPerson1 = MetaModel::GetObject(Person::class, 1, true);
+			$oPerson1 = MetaModel::GetObjectByName(Person::class, 'Claude Monet');
 			$sExceptionMessage = 'My test exception message';
 			$oException = new Exception($sExceptionMessage);