hotline #79969 : fix test side effect

tests/library/Class/WebService/SIGB/OrpheeServiceTest.php

@@ -1484,6 +1484,10 @@ class OrpheeServiceChangePasswordWithoutClientTest extends ModelTestCase {
     $this->assertTrue((new Class_WebService_SIGB_Orphee_ServiceForChangePasswordTesting('wsdl', null, true, []))
                       ->providesChangePasswordService());
   }
-}
 
-?>
+
+  public function tearDown() {
+    Class_AdminVar::set('LOGIN_THROUGH_SIGB_ONLY', 0);
+    parent::tearDown();
+  }
+}