[extension/datadogextension/internal/httpserver]: Report for failed tests on main

[github-actions]

Auto-generated report for __run job build.

Link to failed build: https://github.com/open-telemetry/opentelemetry-collector-contrib/actions/runs/17408310693

Test Failures

• TestServerStop/Context_cancelled_before_shutdown_completes

=== RUN   TestServerStop/Context_cancelled_before_shutdown_completes
    httpserver_test.go:532: 
        	Error Trace:	/home/runner/work/opentelemetry-collector-contrib/opentelemetry-collector-contrib/extension/datadogextension/internal/httpserver/httpserver_test.go:532
        	Error:      	Should be true
        	Test:       	TestServerStop/Context_cancelled_before_shutdown_completes
        	Messages:   	Expected log message not found: Context cancelled while waiting for server shutdown
    httpserver_test.go:539: Stop duration: 75.002µs
--- FAIL: TestServerStop/Context_cancelled_before_shutdown_completes (0.00s)

• TestServerStop

=== RUN   TestServerStop
--- FAIL: TestServerStop (0.00s)

Note: Information about any subsequent build failures that happen while
this issue is open, will be added as comments with more information to this issue.

[github-actions]

Pinging code owners for extension/datadog: @jackgopack4 @dineshg13 @mx-psi @songy23. See Adding Labels via Comments if you do not have permissions to add labels yourself. For example, comment '/label priority:p2 -needs-triaged' to set the priority and remove the needs-triaged label.