Failing test: Serverless Observability API Integration Tests - Common Group 1.x-pack/test_serverless/api_integration/test_suites/common/index_management/inference_endpoints·ts - Index Management APIs Inference endpoints "before all" hook in "Inference endpoints"

[kibanamachine]

A test failed on a tracked branch

Error: Expected status code 200, got 500 with body '{"error":{"root_cause":[{"type":"status_exception","reason":"Model importing failed due to an Exception [java.lang.IllegalArgumentException: [definition_length] must be greater than 0]"}],"type":"status_exception","reason":"Model importing failed due to an Exception [java.lang.IllegalArgumentException: [definition_length] must be greater than 0]","caused_by":{"type":"illegal_argument_exception","reason":"[definition_length] must be greater than 0"}},"status":500}'
    at Assertion.assert (expect.js:100:11)
    at Assertion.eql (expect.js:244:8)
    at Object.assertResponseStatusCode (api.ts:92:31)
    at Object.createInferenceEndpoint (api.ts:253:12)
    at processTicksAndRejections (node:internal/process/task_queues:95:5)
    at Context.<anonymous> (inference_endpoints.ts:27:9)
    at Object.apply (wrap_function.js:73:16) {
  actual: '500',
  expected: '200',
  showDiff: true
}

First failure: kibana-on-merge - main

[elasticmachine]

Pinging @elastic/kibana-management (Team:Kibana Management)

[saarikabhasi]

Closing this ticket with the PR

In the PR:

1. Modified test cases to use kibana internal path instead of directly calling es endpoint
2. clean up underlying trained model
3. un skipped the tests for now to confirm if this helps fixing flaky tests