---
sourceDocument: Brazil Build or modify applications
sourceDocumentLink: https://www.servicenow.com/docs/r/application-development

 Release :

    - brazil

ft:locale :

    - en-US

ft:publication_title :

    - Brazil Build or modify applications

ft:clusterId :

    - cadev

bundleId :

    - cadev

workflow :

    - Development, Data, and Analytics


---

# Test what you built with Autonomous Engineer

# Test what you built with Autonomous Engineer {#ariaid-title1}

Release version: Brazil  
Updated October 22, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 2 minutes to read  
Test Agent generates test coverage for each work item that Autonomous Engineer builds, executes the tests, and performs root cause analysis (RCA) on failures.

Autonomous Engineer runs Test Agent on each work item as part of plan execution. Build Agent provides the underlying execution layer for this testing. Tests are generated and run for each work item, and the results appear directly under the work item in the plan dashboard.

To enable testing in Autonomous Engineer, see [Configure auto test prompting and UI tests](https://www.servicenow.com/docs/I24npEpcXI3fiPNcWYNKtA "Configure test settings to enable automatic test prompting and execution of UI tests in Build Agent and Autonomous Engineer.").

For complete documentation on Test Agent, see [Test Agent](https://www.servicenow.com/docs/Z~OAGVqIwkTNVvA2tO3qOQ "Use Test Agent to streamline the process of authoring, running, and troubleshooting tests autonomously from a single interface. Test Agent generates test coverage for code produced by Build Agent, executes tests, and performs root cause analysis on failures, enabling end‑to‑end build‑to‑test workflows within a single development session.").  
Figure 1. Tests under a work item in Autonomous Engineer

If a test fails, Test Agent performs an RCA. It then either applies safe fixes autonomously or surfaces actionable guidance in the chat panel so you can resolve the issue without leaving ServiceNow Studio.

## Test Agent capabilities in Autonomous Engineer {#ae-test-what-you-built__section-customer-outcomes-ae}

When used with Autonomous Engineer, Test Agent does the following:

* Generates tests within the same plan execution, without a separate prompt.
* Runs the tests and shows the results under each work item.
* Performs root cause analysis on failures and either applies safe fixes or proposes fixes in the chat panel.
* Generated ATF tests are stored in the sys_atf_tests \[sys_atf_tests\] table under the app scope for which they were created. You can schedule regression test runs using the generated tests.

## Test generation {#ae-test-what-you-built__ae-test-prompt}

If automatic test generation is enabled in Build Agent settings, Autonomous Engineer generates tests for the acceptance criteria of each work item.

Automatic prompting for tests reduces the chance of skipping test coverage during execution by keeping test generation part of the standard work item loop.

To manually prompt for tests, ask Autonomous Engineer to <kbd class="ph userinput">Generate ATF tests for all the feature permutations on the app we built</kbd>. Then tell Autonomous Engineer to <kbd class="ph userinput">Execute all ATF tests.</kbd>

## Test Agent workflow {#ae-test-what-you-built__section-how-it-works-ae}

The end-to-end workflow is:

1. Autonomous Engineer builds a work item in the execution phase.
2. Test Agent uses the work item context to generate contextually relevant functional, UI, and ATF tests.
3. Autonomous Engineer asks whether you want to run the tests.
4. Failures are automatically triaged. Test Agent produces an RCA and either applies safe fixes autonomously or proposes them through the chat panel.
5. Autonomous Engineer ingests the RCA and re-executes tests until a passing status is achieved, completing the auto-heal loop. Stale tests are automatically updated to reflect the newest functionality.
6. View tests in the Work item dashboard.
7. Optionally, ask Autonomous Engineer to create or run a test suite to execute multiple tests as a group and review consolidated results in the chat panel.
{#ae-test-what-you-built__ol_ae_test_workflow}

## Scope and availability {#ae-test-what-you-built__section-scope-and-availability-ae}

Test Agent is available for Autonomous Engineer in the following environments and scopes:{#ae-test-what-you-built__table_ae_test_scope__entry__2}

| Dimension | Supported values |
|-|-|
| Authoring environment | ServiceNow Studio |
| Application scope | Global, custom, store |
| Test types | ATF functional tests, UI tests, and test suites |
| Execution target | Cloud Runner lanes |
[Table 1. Test Agent scope and availability]

{#ae-test-what-you-built__table_ae_test_scope}  
Note:  
Test execution requires the ATF Test Generator and Cloud Runner app to be installed and a cloud user set up. For more information, see [ATF Test Generator and Cloud Runner](https://www.servicenow.com/docs/access?context=atf-tg-cr-intro&version=brazil&pubname=brazil-servicenow-platform&ft:locale=en-US).