diff --git a/test/scripts/test-parallel.test.ts b/test/scripts/test-parallel.test.ts
index e0235080f59..30994b5b864 100644
--- a/test/scripts/test-parallel.test.ts
+++ b/test/scripts/test-parallel.test.ts
@@ -136,6 +136,8 @@ describe("scripts/test-parallel lane planning", () => {
         ...process.env,
         CI: "",
         OPENCLAW_TEST_LIST_LANES: "1",
+        OPENCLAW_TEST_UNIT_FAST_LANES: "1",
+        OPENCLAW_TEST_UNIT_FAST_BATCH_TARGET_MS: "1",
       },
       encoding: "utf8",
     });