Join Xor is not working in workflow

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.X EE, Master
• Fix Version/s: 7.0.0 DXP FP26, 7.0.X EE, 7.0.4 CE GA5, 7.1.X, Master
• Component/s: Workflow
• Labels:
  • QA-AUTOMATION
  • backend_test
  • fw_code_review
  • fw_test_integration
  • fw_test_poshi
  • liferay-digital-enterprise-70-sp5
  • liferay-fixpack-de-26-7010
• Branch Version/s:
  7.0.x
• Backported to Branch:
  Committed
• Story Points: 1
• Fix Priority: 4
• Sprint: Workflow #06 - Mar 27 - Apr 07, Workflow #07 - April 10 - 21, Workflow #08 - Apr 24 - May 05
• Git Pull Request: https://github.com/liferay/com-liferay-portal-workflow/pull/50
• QA Test Name:
  • WorkflowadminCPBlogs#ApproveBlogsEntriesCPJoinXORNodeWorkflowDefinition
• QA Test Score: 4

Steps to reproduce:

1. Go to Control Panel -> Configuration -> Workflow Definition.
2. Click Add button.
3. Enter the name and select business_productivity_join_xor_workflow_definition from source.
4. Go to Control Panel -> Configuration -> Workflow Configuration.
5. Click Edit near Blogs Entry.
6. Choose Join Xor and Save.
7. Create a blog.
8. Go to user -> My Account ->My Workflow Tasks.
9. Under Assigned to My Roles, click assign to me near the Task 1 of the blog.
10. Under Assigned to Me, click join-xor near Task 1.
11. Go to Product Menu -> Content -> Blogs.

Expected result:
State of the blog is Approved.

Actual result:
State of the blog is Pending.