[Flaky Test]: TestCoordinatorPolicyChangeUpdatesRuntimeAndOTelManager – empty policy should be acknowledged

[rubenruizdegauna]

Failing test case

TestCoordinatorPolicyChangeUpdatesRuntimeAndOTelManager

Error message

empty policy should be acknowledged

Build

https://buildkite.com/elastic/elastic-agent/builds/27310#01997530-73fa-4998-8415-25eaa40fa0ca/702-1133

OS

Windows

Stacktrace and notes

=== Failed
=== FAIL: internal/pkg/agent/application/coordinator TestCoordinatorPolicyChangeUpdatesRuntimeAndOTelManager (1.12s)
    coordinator_unit_test.go:935:
        	Error Trace:	C:/buildkite-agent/builds/bk-agent-prod-gcp-1758607754868139967/elastic/elastic-agent/internal/pkg/agent/application/coordinator/coordinator_unit_test.go:935
        	Error:      	Should be true
        	Test:       	TestCoordinatorPolicyChangeUpdatesRuntimeAndOTelManager
        	Messages:   	empty policy should be acknowledged
    coordinator_unit_test.go:936:
        	Error Trace:	C:/buildkite-agent/builds/bk-agent-prod-gcp-1758607754868139967/elastic/elastic-agent/internal/pkg/agent/application/coordinator/coordinator_unit_test.go:936
        	Error:      	Should be true
        	Test:       	TestCoordinatorPolicyChangeUpdatesRuntimeAndOTelManager
        	Messages:   	empty policy should cause runtime manager update
    coordinator_unit_test.go:938:
        	Error Trace:	C:/buildkite-agent/builds/bk-agent-prod-gcp-1758607754868139967/elastic/elastic-agent/internal/pkg/agent/application/coordinator/coordinator_unit_test.go:938
        	Error:      	Should be true
        	Test:       	TestCoordinatorPolicyChangeUpdatesRuntimeAndOTelManager
        	Messages:   	empty policy should cause otel manager update
DONE 2870 tests, 24 skipped, 1 failure in 898.955s

[elasticmachine]

Pinging @elastic/elastic-agent (Team:Elastic-Agent)

[swiatekm]

I've added more error logging in #10203, so if this happens again, we'll know why exactly. It has to be an issue when processing configuration, but existing diagnostic information isn't enough to know what the problem is, exactly. Closing this until we get another incidence.