trade_ui_test: make macros more reusable

Init script just have to print "Data Created."

init macro no longer redirect to the order created by
Zuite_createSaleOrderForTradeZuite, so that it's more reusable.

bt5/erp5_trade_ui_test/PathTemplateItem/portal_tests/trade_zuite/testMultiRelationStringFieldOnASaleOrderLineInsideTheOtherSaleOrderLine.zpt

@@ -11,6 +11,11 @@ Test MultiRelationStringField on a sale order line inside the other sale order l
 
 <!-- Setup {{{ -->
 <tal:block metal:use-macro="here/Zuite_CommonTemplateForTradeZuite/macros/init" />
+<tr>
+  <td>open</td>
+  <td>${base_url}/sale_order_module/erp5_trade_ui_test_sale_order_1</td>
+  <td></td>
+</tr>
 <!-- }}} -->
 
 <tr>

bt5/erp5_trade_ui_test/SkinTemplateItem/portal_skins/erp5_trade_ui_test/Zuite_CommonTemplateForTradeZuite.zpt

@@ -46,7 +46,7 @@
     </tr>
     <tr>
       <td>assertTextPresent</td>
-      <td>Sale Order Created.</td>
+      <td>Data Created.</td>
       <td></td>
     </tr>
 
@@ -60,11 +60,6 @@
       <td>Done.</td>
       <td></td>
     </tr>
-    <tr>
-      <td>open</td>
-      <td>&#36;{base_url}/sale_order_module/erp5_trade_ui_test_sale_order_1</td>
-      <td></td>
-    </tr>
   </tal:block>
   <tal:block metal:define-macro="toggleSupplyLineBasePricePerSlice">
     <tr>

bt5/erp5_trade_ui_test/SkinTemplateItem/portal_skins/erp5_trade_ui_test/Zuite_createSaleOrderForTradeZuite.py

 context.sale_order_module.newContent(portal_type='Sale Order', id='erp5_trade_ui_test_sale_order_1')
-return "Sale Order Created."
+return "Data Created."