Test Result Line do not have properly set int_index, instead title have been...

Test Result Line do not have properly set int_index, instead title have been used in past. Until properly set (int_index) use current way for sorting. This is especially important for Scalability Tests's graphics.

bt5/erp5_test_result/SkinTemplateItem/portal_skins/erp5_test_result/TestResult_getJsonScalabilityStats.py

@@ -2,7 +2,11 @@ from Products.PythonScripts.standard import Object
 import json
 
 # Get result lines
-test_result_lines = context.objectValues(portal_type="Test Result Line", sort_on='int_index')
+test_result_lines = context.objectValues(portal_type="Test Result Line")
+
+# XXX: Test Result Line misses int_index and test title is used for this. 
+# we need to fix this but for backwards compatability use it now.
+test_result_lines = sorted(test_result_lines, key=lambda x: int(x.getTitle()))
 
 # Create a dict containing stats for each test
 tests = []