live_test: clearly decrease risk of not having result in web page

From time to time, it happened that after hitting button "run live test" the
result was not displayed even though the test was running. This hack should
clearly reduce the risk. If there is still issues from time to time, we will need
to improve design.

bt5/erp5_dhtml_style/SkinTemplateItem/portal_skins/erp5_dhtml_style/live_test.js.xml

@@ -12,7 +12,7 @@
         </item>
         <item>
             <key> <string>_EtagSupport__etag</string> </key>
-            <value> <string>ts09819354.83</string> </value>
+            <value> <string>ts09819502.02</string> </value>
         </item>
         <item>
             <key> <string>__name__</string> </key>
@@ -80,7 +80,10 @@
               });\n
     };\n
     var x=0;\n
-    get_data();\n
+    // Not perfect, but the timeout should clearly reduce risk of getting empty result\n
+    // while the runUnitTest command had no time yet to reset global variable\n
+    // on ERP5 side\n
+    setTimeout(get_data,2000);\n
 \n
 });</string> </value>
         </item>
@@ -90,7 +93,7 @@
         </item>
         <item>
             <key> <string>size</string> </key>
-            <value> <int>1934</int> </value>
+            <value> <int>2134</int> </value>
         </item>
         <item>
             <key> <string>title</string> </key>

bt5/erp5_dhtml_style/bt/revision

-13
\ No newline at end of file
+14
\ No newline at end of file

product/ERP5Type/Tool/ComponentTool.py

@@ -277,6 +277,9 @@ class Test(ERP5TypeTestCase):
     debug=boolean        Invoke debugger on errors / failures.
     verbose=boolean      Display more information when running tests
     """
+    from StringIO import StringIO
+    global global_stream
+    global_stream = StringIO()
     test_list = self._getCommaSeparatedParameterList(test_list)
     if not test_list:
       # no test to run
@@ -288,9 +291,6 @@ class Test(ERP5TypeTestCase):
     run_only = self._getCommaSeparatedParameterList(run_only)
     verbosity = verbose and 2 or 1
 
-    from StringIO import StringIO
-    global global_stream
-    global_stream = StringIO()
     from Products.ERP5Type.tests.ERP5TypeLiveTestCase import runLiveTest
     try:
       result = runLiveTest(test_list,