Fix client tests due to changes in code from 'mistral' repository

-Removing 'start-task' parameter from test workbooks
-Lowercase key section names in workbooks from unit tests
-Rename 'test_cli_acitons' to 'test_cli_actions'
-Fix CLI test 'test_task_list' due to changes in
https://review.openstack.org/#/c/121818/

Change-Id: I8ace89b460c3c72cdac3c3f42684fe1e8b6ad5de

functionaltests/resources/v2/wb_v2.yaml

@@ -4,7 +4,6 @@ version: '2.0'
 workflows:
   wf1:
     type: direct
-    start-task: hello
     tasks:
       hello:
         action: std.echo output="Hello"

functionaltests/resources/v2/wf_v2.yaml

@@ -2,7 +2,6 @@
 version: '2.0'
 
 type: direct
-start-task: hello
 tasks:
   hello:
     action: std.echo output="Hello"

mistralclient/tests/functional/cli/v2/cli_tests_v2.py

@@ -63,7 +63,7 @@ class SimpleMistralCLITests(MistralCLIAuth):
             self.mistral('task-list'))
         self.assertTableStruct(tasks,
                                ['ID', 'Name', 'Workflow name', 'Execution ID',
-                                'State', 'Parameters'])
+                                'State'])
 
 
 class ClientTestBase(MistralCLIAuth):

mistralclient/tests/unit/v2/test_cli_actions.py

@@ -31,7 +31,7 @@ ACTION_DICT = {
 
 ACTION_DEF = """
 ---
-Version: '2.0'
+version: '2.0'
 
 base: std.echo
 base-parameters:

mistralclient/tests/unit/v2/test_workbooks.py

@@ -22,12 +22,11 @@ from mistralclient.api.v2 import workbooks
 
 WB_DEF = """
 ---
-Version: 2.0
+version: 2.0
 
-Workflows:
+workflows:
   wf1:
     type: direct
-    start_task: task1
     parameters:
       - param1
       - param2