diff --git a/src/zcl_excel_style_changer.clas.xml b/src/zcl_excel_style_changer.clas.xml
index 5b262b8..a357d83 100644
--- a/src/zcl_excel_style_changer.clas.xml
+++ b/src/zcl_excel_style_changer.clas.xml
@@ -10,6 +10,7 @@
     <CLSCCINCL>X</CLSCCINCL>
     <FIXPT>X</FIXPT>
     <UNICODE>X</UNICODE>
+    <WITH_UNIT_TESTS>X</WITH_UNIT_TESTS>
    </VSEOCLASS>
   </asx:values>
  </asx:abap>