diff --git a/Test/Export/AbstractExportTestHelper.php b/Test/Export/AbstractExportTest.php
similarity index 97%
rename from Test/Export/AbstractExportTestHelper.php
rename to Test/Export/AbstractExportTest.php
index bdee0f358..9b5bac92c 100644
--- a/Test/Export/AbstractExportTestHelper.php
+++ b/Test/Export/AbstractExportTest.php
@@ -30,7 +30,7 @@ use Symfony\Component\Security\Core\Role\Role;
  *
  * @author julien.fastre@champs-libres.coop
  */
-abstract class AbstractExportTestHelper extends KernelTestCase
+abstract class AbstractExportTest extends KernelTestCase
 {
     /**
      * Create an instance of the report to test
@@ -244,7 +244,8 @@ abstract class AbstractExportTestHelper extends KernelTestCase
         
         $this->assertContainsOnly("string", $queryKeys,
             "test that the query keys returned by `getQueryKeys` are only strings");
-        
+        $this->assertGreaterThanOrEqual(1, count($queryKeys),
+            "test that there are at least one query key returned");
     }
     
     /**
@@ -312,7 +313,7 @@ abstract class AbstractExportTestHelper extends KernelTestCase
                 && call_user_func($closure, '_header') !== '_header',
                 // message
                 sprintf("Test that the callable return by `getLabels` for key %s "
-                . "is a string and not empty", $key)
+                . "can provide an header", $key)
                 );
         }