test(admin): stabilize telemetry failure fixture

apps/admin-api/tests/integration/common.rs

@@ -114,10 +114,14 @@ pub(super) fn build_test_app_with_external_references(
     allowed_url_prefixes: Vec<String>,
 ) -> Router {
     build_app(AppState {
-        service: test_service_with_external_references(
+        service: test_service_with_external_references_timeout(
             registry,
             storage_root,
             allowed_url_prefixes,
+            // This HTTP fixture asserts classification of an immediate
+            // upstream status. Leave headroom for CI scheduling jitter so the
+            // unrelated chain-timeout branch cannot win first.
+            10_000,
         ),
         api_rate_limiter: crank_runtime::RequestRateLimiter::new(
             crank_runtime::RequestRateLimitConfig::new(10_000, 10_000).unwrap(),
@@ -174,6 +178,20 @@ pub(super) fn test_service_with_external_references(
     registry: PostgresRegistry,
     storage_root: std::path::PathBuf,
     allowed_url_prefixes: Vec<String>,
+) -> AdminService {
+    test_service_with_external_references_timeout(
+        registry,
+        storage_root,
+        allowed_url_prefixes,
+        2_000,
+    )
+}
+
+fn test_service_with_external_references_timeout(
+    registry: PostgresRegistry,
+    storage_root: std::path::PathBuf,
+    allowed_url_prefixes: Vec<String>,
+    fetch_timeout_ms: u64,
 ) -> AdminService {
     let outbound_policy = crank_runtime::OutboundHttpPolicy::allowing_hosts(["127.0.0.1"]);
     let runtime = crank_runtime::community_with_outbound_policy(outbound_policy.clone()).build();
@@ -189,7 +207,7 @@ pub(super) fn test_service_with_external_references(
         max_depth: 8,
         max_documents: 32,
         max_fetch_bytes: 64 * 1024,
-        fetch_timeout_ms: 2_000,
+        fetch_timeout_ms,
         max_expanded_nodes: 10_000,
     })
     .unwrap()