The fullname:TestRuns[n].Assignee function does not obtain the correct information

When we want to export the assignee of a Test Run sometimes this information isn't correct.

Steps to reproduce

• Create a new test
• Assign the test to user A
  • 
• Create a test execution
• Add the test created earlier to test execution
• Open the execution details
• Assign the test run to user B
  • 
• Create a report with the following template
  • test runs assignee.docx

Current results:

• Current results.docx

Expected result:

• Expected result.docx