Wr/ngt @W-22143479@ @W-22143478@

[WillieRuemmele]

What does this PR do?

adds NGT support to current agent test commands

requires: forcedotcom/agents#272

What issues does this PR fix or reference?

@W-22143479@
@W-22143478@

[andresrivas-sf]

looks good to me

[andresrivas-sf]

QA Results — manual testing against willies-orgfarm org

Tested with local builds of both @salesforce/agents (linked) and plugin-agent (sf plugins link).

agent test list ✅

• Type column renders correctly: testing-center for AiEvaluationDefinition, agentforce-studio for AiTestingDefinition
• Org had both types present, both labeled correctly

agent test run (auto-detect, NGT) ✅

• Auto-detected AndresTest as agentforce-studio runner correctly (runId prefix 3A2)
• Ran end-to-end with --wait 10, completed successfully

agent test run --test-runner agentforce-studio (explicit runner) ✅

• Explicit flag respected, ran cleanly

agent test results — human format ✅

• Per-test-case tables render with Scorer / Result / Expected / Actual / Reasoning columns
• Summary table shows Status, Total/Passing/Failing counts

agent test results --result-format junit ✅

• Valid XML with <testsuites> / <testsuite> / <failure> structure
• Failure messages and scorer names populated correctly

agent test results --result-format tap ✅

• TAP v13 output, ok/not ok lines per scorer, YAML diagnostics blocks on failures with actual/expected/message