erp5_pdm_ui_test: update selenium test so it works in chrome

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

@@ -21,7 +21,7 @@ Test quantity steps for price on sale supply line
 <tr>
   <td>type</td>
   <td>field_my_sale_supply_line_quantity_step_list</td>
-  <td>10<br />20</td>
+  <td>10&NewLine;20</td>
 </tr>
 <tr>
   <td>clickAndWait</td>
@@ -29,10 +29,10 @@ Test quantity steps for price on sale supply line
   <td></td>
 </tr>
 <tr>
-  <td>assertText</td>
-  <td>field_my_sale_supply_line_quantity_step_list</td>
-  <td>10.0
-20.0</td>
+  <td>assertEval</td>
+  <td>selenium.browserbot.getCurrentWindow().document.getElementsByName("field_my_sale_supply_line_quantity_step_list")[0].value === "10.0\n20.0"</td>
+  <td>true</td>
+</tr>
 <tr>
   <td>assertText</td>
   <td>//input[@name="field_matrixbox_base_price_cell_0_0_0"]/../../../td[1]</td>
@@ -94,7 +94,7 @@ Test quantity steps for price on sale supply line
 <tr>
   <td>type</td>
   <td>field_my_sale_supply_line_quantity_step_list</td>
-  <td>foo<br />bar</td>
+  <td>foo&NewLine;bar</td>
 </tr>
 <tr>
   <td>clickAndWait</td>
@@ -102,16 +102,9 @@ Test quantity steps for price on sale supply line
   <td></td>
 </tr>
 <tr>
-  <td>assertText</td>
-  <td>field_my_sale_supply_line_quantity_step_list</td>
-  <td>foo
-bar</td>
-</tr>
-<tr>
-  <td>assertText</td>
-  <td>field_my_sale_supply_line_quantity_step_list</td>
-  <td>foo
-bar</td>
+  <td>assertEval</td>
+  <td>selenium.browserbot.getCurrentWindow().document.getElementsByName("field_my_sale_supply_line_quantity_step_list")[0].value === "foo\nbar"</td>
+  <td>true</td>
 </tr>
 <tr>
   <td>assertText</td>
@@ -135,4 +128,4 @@ bar</td>
 </tbody></table>
 </body>
 </html> 
-<!-- vim: syntax=html foldmethod=marker -->
+<!-- vim: syntax=html foldmethod=marker -->
\ No newline at end of file