diff --git a/functionaltests/resources/v2/action_v2.yaml b/functionaltests/resources/v2/action_v2.yaml
index ccca02c4..24916ef3 100644
--- a/functionaltests/resources/v2/action_v2.yaml
+++ b/functionaltests/resources/v2/action_v2.yaml
@@ -3,7 +3,6 @@ version: "2.0"
 
 greeting:
   description: "This action says 'Hello'"
-  tags: [hello]
   base: std.echo
   base-input:
     output: 'Hello,  {$.name}'
diff --git a/functionaltests/resources/v2/action_v2_tags.yaml b/functionaltests/resources/v2/action_v2_tags.yaml
new file mode 100644
index 00000000..72a22052
--- /dev/null
+++ b/functionaltests/resources/v2/action_v2_tags.yaml
@@ -0,0 +1,13 @@
+---
+version: "2.0"
+
+greeting:
+  description: "This action says 'Hello'"
+  tags: [tag, tag1]
+  base: std.echo
+  base-input:
+    output: 'Hello,  {$.name}'
+  input:
+    - name
+  output:
+    string: $.output
diff --git a/functionaltests/resources/v2/wf_delay_v2.yaml b/functionaltests/resources/v2/wf_delay_v2.yaml
index c8dfc39a..de3118d5 100644
--- a/functionaltests/resources/v2/wf_delay_v2.yaml
+++ b/functionaltests/resources/v2/wf_delay_v2.yaml
@@ -1,14 +1,15 @@
 ---
 version: '2.0'
 
-wf_delay:
+wf:
   type: direct
+  tags: [tag]
 
   tasks:
     hello:
       action: std.echo output="Hello"
       publish:
-        result: $
+        result: $.hello
       policies:
         wait-after: 1
       on-success:
@@ -17,4 +18,4 @@ wf_delay:
     task2:
       action: std.echo output="Task 2"
       publish:
-        task2: $
+        task2: $.task2
diff --git a/mistralclient/commands/v2/workbooks.py b/mistralclient/commands/v2/workbooks.py
index 3f20ba24..f1cbe841 100644
--- a/mistralclient/commands/v2/workbooks.py
+++ b/mistralclient/commands/v2/workbooks.py
@@ -42,7 +42,7 @@ def format(workbook=None):
         )
 
         if hasattr(workbook, 'updated_at'):
-            data += (workbook.updated_at or '<none>',)
+            data += (workbook.updated_at,)
         else:
             data += (None,)
 
@@ -152,4 +152,4 @@ class GetDefinition(command.Command):
         definition = workbooks.WorkbookManager(self.app.client).get(
             parsed_args.name).definition
 
-        self.app.stdout.write(definition or "\n")
\ No newline at end of file
+        self.app.stdout.write(definition or "\n")
diff --git a/mistralclient/tests/functional/cli/v2/base_v2.py b/mistralclient/tests/functional/cli/v2/base_v2.py
index c237e70b..8b97733a 100644
--- a/mistralclient/tests/functional/cli/v2/base_v2.py
+++ b/mistralclient/tests/functional/cli/v2/base_v2.py
@@ -43,6 +43,9 @@ class MistralClientTestBase(base.MistralCLIAuth, base.MistralCLIAltAuth):
         cls.act_def = os.path.relpath(
             'functionaltests/resources/v2/action_v2.yaml', os.getcwd())
 
+        cls.act_tag_def = os.path.relpath(
+            'functionaltests/resources/v2/action_v2_tags.yaml', os.getcwd())
+
     def setUp(self):
         super(MistralClientTestBase, self).setUp()
 
diff --git a/mistralclient/tests/functional/cli/v2/cli_tests_v2.py b/mistralclient/tests/functional/cli/v2/cli_tests_v2.py
index 1fd9c16b..41fc0dc0 100644
--- a/mistralclient/tests/functional/cli/v2/cli_tests_v2.py
+++ b/mistralclient/tests/functional/cli/v2/cli_tests_v2.py
@@ -108,18 +108,31 @@ class WorkbookCLITests(base_v2.MistralClientTestBase):
         wb = self.workbook_create(self.wb_def)
         wb_name = self.get_value_of_field(wb, "Name")
 
+        init_update_at = self.get_value_of_field(wb, "Updated at")
         tags = self.get_value_of_field(wb, 'Tags')
         self.assertNotIn('tag', tags)
 
+        wb = self.mistral_admin(
+            'workbook-update', params=self.wb_def)
+        update_at = self.get_value_of_field(wb, "Updated at")
+        name = self.get_value_of_field(wb, 'Name')
+        tags = self.get_value_of_field(wb, 'Tags')
+
+        self.assertEqual(wb_name, name)
+        self.assertNotIn('tag', tags)
+        self.assertEqual(init_update_at, update_at)
+
         wb = self.mistral_admin(
             'workbook-update', params=self.wb_with_tags_def)
         self.assertTableStruct(wb, ['Field', 'Value'])
 
+        update_at = self.get_value_of_field(wb, "Updated at")
         name = self.get_value_of_field(wb, 'Name')
         tags = self.get_value_of_field(wb, 'Tags')
 
         self.assertEqual(wb_name, name)
         self.assertIn('tag', tags)
+        self.assertNotEqual(init_update_at, update_at)
 
     def test_workbook_get(self):
         created = self.workbook_create(self.wb_with_tags_def)
@@ -196,6 +209,20 @@ class WorkflowCLITests(base_v2.MistralClientTestBase):
 
         self.assertEqual(wf_name, upd_wf[0]['Name'])
 
+        self.assertEqual(created_wf_info['Created at'].split(".")[0],
+                         updated_wf_info['Created at'])
+        self.assertEqual(created_wf_info['Updated at'],
+                         updated_wf_info['Updated at'])
+
+        upd_wf = self.mistral_admin(
+            'workflow-update', params='{0}'.format(self.wf_with_delay_def))
+        self.assertTableStruct(upd_wf, ['Name', 'Created at', 'Updated at'])
+
+        updated_wf_info = self.get_item_info(
+            get_from=upd_wf, get_by='Name', value=wf_name)
+
+        self.assertEqual(wf_name, upd_wf[0]['Name'])
+
         self.assertEqual(created_wf_info['Created at'].split(".")[0],
                          updated_wf_info['Created at'])
         self.assertNotEqual(created_wf_info['Updated at'],
@@ -428,7 +455,7 @@ class ActionCLITests(base_v2.MistralClientTestBase):
         action_2 = self.get_item_info(
             get_from=init_acts, get_by='Name', value='farewell')
 
-        self.assertEqual(action_1['Tags'], 'hello')
+        self.assertEqual(action_1['Tags'], '<none>')
         self.assertEqual(action_2['Tags'], '<none>')
 
         self.assertEqual(action_1['Is system'], 'False')
@@ -461,6 +488,18 @@ class ActionCLITests(base_v2.MistralClientTestBase):
         updated_action = self.get_item_info(
             get_from=acts, get_by='Name', value='greeting')
 
+        self.assertEqual(created_action['Created at'].split(".")[0],
+                         updated_action['Created at'])
+        self.assertEqual(created_action['Name'], updated_action['Name'])
+        self.assertEqual(created_action['Updated at'],
+                         updated_action['Updated at'])
+
+        acts = self.mistral_admin('action-update', params=self.act_tag_def)
+
+        updated_action = self.get_item_info(
+            get_from=acts, get_by='Name', value='greeting')
+
+        self.assertEqual(updated_action['Tags'], 'tag, tag1')
         self.assertEqual(created_action['Created at'].split(".")[0],
                          updated_action['Created at'])
         self.assertEqual(created_action['Name'], updated_action['Name'])