diff --git a/Tests/dblayerooComplet.php b/Tests/dblayerooComplet.php
index aa9c746..627098d 100644
--- a/Tests/dblayerooComplet.php
+++ b/Tests/dblayerooComplet.php
@@ -181,7 +181,7 @@ class test_dblayeroo_{ENGINE} extends PHPUnit_Framework_TestCase
                                              "object"=>"object"))->execute ();
     $tbl1->disconnect ();
     // As the key is not an autoincrement, the lastInsertID can be 0 or 1
-    $this->assertGreaterThanOrEqual ($res, "0");
+    $this->assertSame ($res, "group1");
   }
 
   public function test_select2 ()
@@ -294,7 +294,7 @@ class test_dblayeroo_{ENGINE} extends PHPUnit_Framework_TestCase
                                              "object"=>"object"))->execute ();
     $tbl1->disconnect ();
     // As the key is not an autoincrement, the lastInsertID can be 0 or 1
-    $this->assertGreaterThanOrEqual ($res, "0");
+    $this->assertSame ($res, "group1");
   }
 
   ///////////////////