From ee8fb5939cd96bf93aa74cd5f5982402ab4b59ec Mon Sep 17 00:00:00 2001
From: Alexandre Rulleau <alexandre.rulleau@datadoghq.com>
Date: Wed, 15 Apr 2026 13:15:10 +0200
Subject: [PATCH] test(sidecar): re-enable test_ddog_sidecar_register_app on
 Windows
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APMSP-2356: the tarpc refactor (#1742) introduced a PID handshake in
SeqpacketConn::connect() — the blocking ReadFile waiting for the server's
4-byte PID acts as an implicit readiness barrier, eliminating the startup
race that caused intermittent failures.
---
 datadog-sidecar-ffi/tests/sidecar.rs | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/datadog-sidecar-ffi/tests/sidecar.rs b/datadog-sidecar-ffi/tests/sidecar.rs
index fffabf9be0..311f9b73a0 100644
--- a/datadog-sidecar-ffi/tests/sidecar.rs
+++ b/datadog-sidecar-ffi/tests/sidecar.rs
@@ -68,10 +68,6 @@ fn test_ddog_sidecar_connection() {
 }
 
 #[test]
-#[cfg_attr(
-    target_os = "windows",
-    ignore = "APMSP-2356 Investigate flakiness on Windows"
-)]
 #[cfg_attr(miri, ignore)]
 fn test_ddog_sidecar_register_app() {
     set_sidecar_per_process();