testnode: use smaller random string for the log directory

erp5/tests/testERP5TestNode.py

@@ -811,7 +811,7 @@ shared = true
         self.assertTrue(suite.suite_log_path.endswith('suite.log'))
         m = re.match('.*\-(.*)\/suite.log', suite.suite_log_path)
         rand_part = m.groups()[0]
-        self.assertEqual(len(rand_part), 32)
+        self.assertEqual(len(rand_part), 10)
         self.assertNotIn(rand_part, rand_part_set)
         rand_part_set.add(rand_part)
         suite_log = open(suite.suite_log_path, 'r')

erp5/util/testnode/NodeTestSuite.py

@@ -77,11 +77,11 @@ class NodeTestSuite(SlapOSInstance):
         vcs_repository['repository_path'] = repository_path
 
   def createSuiteLog(self):
-    # /srv/slapgrid/slappartXX/srv/var/log/testnode/az-mlksjfmlk234Sljssdflkj23KSdfslj/suite.log
+    # /srv/slapgrid/slappartXX/srv/var/log/testnode/az-D27KqX7FxJ/suite.log
     alphabets = string.digits + string.letters
     while 1:
       log_folder_name = '%s-%s' % (self.reference,
-        ''.join(random.choice(alphabets) for i in xrange(32)))
+        ''.join(random.choice(alphabets) for i in xrange(10)))
       log_folder_path = os.path.join(self.log_directory, log_folder_name)
       try:
         os.makedirs(log_folder_path)