erp5_web_ecommerce_test: update zelenium tests to echo screenshot text

bt5/erp5_web_ecommerce_test/PathTemplateItem/portal_tests/erp5_web_e5g_ecommerce_ui_zuite/testE5gEcommerceBasicNavigation.xml

@@ -106,6 +106,23 @@
   <td>//span[@data-i18n="E-COMMERCE"]</td>\n
   <td>E-COMMERCE</td>\n
 </tr>\n
+<tr>\n
+  <td>pause</td>\n
+  <td>5000</td>\n
+  <td></td>\n
+</tr>\n
+<!-- DEBUG -->\n
+<!-- storeEval can pass CSP. And iframe. -->\n
+<tr>\n
+  <td>storeEval</td>\n
+  <td>function x(el){var n,a=[],w=document.createTreeWalker(el,NodeFilter.SHOW_TEXT,{acceptNode:function(m){if(!/^\\\\s*$/.test(m.data)){return NodeFilter.FILTER_ACCEPT;}}},false);while(n=w.nextNode())a.push(n);return a;}var i,len,t="",list=x(document.getElementById("selenium_myiframe").contentDocument.querySelector("body div"));for(i=0,len=list.length;i&lt;len;i++){t+=list[i].nodeValue+" "}</td>\n
+  <td>my_global_text</td>\n
+</tr>\n
+<tr>\n
+  <td>echo</td>\n
+  <td>${my_global_text}</td>\n
+  <td></td>\n
+</tr>\n
 <tr>\n
   <td>waitForTextPresent</td>\n
   <td>Super Product</td>\n