Error message not displayed when importing Cucumber JSON results via API

Description:
When importing JSON results via the Cucumber endpoint (.../rest/raven/2.0/import/execution/cucumber), the error_message argument passed in the results object is not displayed in the test run.
However, when importing the same file via the UI, the error message appears as expected.

Preconditions:

1. Import the feature file provided in this ticket using the Cucumber test endpoint (.../rest/raven/2.0/import/feature?projectKey=).
2. Create a test execution.
3. Assign the correct issue keys in the result file for both the test execution and the test key from the imported feature.

Steps to Reproduce:

1. Import the result file via API using the endpoint /rest/raven/2.0/import/execution/cucumber.

Actual Result / Attachments:

• The error message provided in the results file is not displayed in the test run.

Expected Result:

• The error message should be displayed in the test run as it is when imported via the UI.

Version:
8.1.1-j10

Workaround:
Import the results via the UI.