fixup! erp5_pdm_ui_test: add tests for the "price per slice" checkbox

bt5/erp5_pdm_ui_test/PathTemplateItem/portal_tests/pdm_zuite/resource_default_sale_supply_line_price_per_slice.zpt

@@ -24,8 +24,7 @@ Test toggling price per slice updates sale supply cells correctly
 <tr>
   <td>type</td>
   <td>field_my_sale_supply_line_quantity_step_list</td>
-  <td>11
-21</td>
+  <td>11<br />21</td>
 </tr>
 <tr>
   <td>clickAndWait</td>
@@ -35,7 +34,8 @@ Test toggling price per slice updates sale supply cells correctly
 <tr>
   <td>assertText</td>
   <td>field_my_sale_supply_line_quantity_step_list</td>
-  <td>11.0 21.0</td>
+  <td>11.0
+21.0</td>
 <tr>
   <td>assertText</td>
   <td>//input[@name="field_matrixbox_base_price_cell_0_0_0"]/../../../td[1]</td>