[Flaky Test]: TestCoordinatorReportsInvalidPolicy – Policy change should cause state update

[rdner]

Failing test case

TestCoordinatorReportsInvalidPolicy

Error message

Policy change should cause state update

Build

https://buildkite.com/elastic/elastic-agent/builds/6966#018d8e42-002e-486b-980f-299f01f0c485

OS

Mac

Stacktrace and notes

=== FAIL: internal/pkg/agent/application/coordinator TestCoordinatorReportsInvalidPolicy (1.07s)
    coordinator_unit_test.go:416:
        	Error Trace:	/Users/admin/builds/bk-agent-prod-orka-1707488712211817190/elastic/elastic-agent/internal/pkg/agent/application/coordinator/coordinator_unit_test.go:416
        	Error:      	Vars change should cause state update
        	Test:       	TestCoordinatorReportsInvalidPolicy
    coordinator_unit_test.go:426:
        	Error Trace:	/Users/admin/builds/bk-agent-prod-orka-1707488712211817190/elastic/elastic-agent/internal/pkg/agent/application/coordinator/coordinator_unit_test.go:426
        	Error:      	Received unexpected error:
        	            	failed to reload upgrade manager configuration: invalid config: can not convert 'object' into 'string' accessing 'agent.download.sourceURI' accessing 'agent.download'
        	Test:       	TestCoordinatorReportsInvalidPolicy
        	Messages:   	Valid policy change should clear configErr
    coordinator_unit_test.go:432:
        	Error Trace:	/Users/admin/builds/bk-agent-prod-orka-1707488712211817190/elastic/elastic-agent/internal/pkg/agent/application/coordinator/coordinator_unit_test.go:432
        	Error:      	Policy change should cause state update
        	Test:       	TestCoordinatorReportsInvalidPolicy

[elasticmachine]

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

[rdner]

duplicate of #4117