diff --git a/packages/managed-agent-server/verification/src/test/java/com/alibaba/qwen/code/managedagent/workspace/ChildWorkspaceServiceTest.java b/packages/managed-agent-server/verification/src/test/java/com/alibaba/qwen/code/managedagent/workspace/ChildWorkspaceServiceTest.java
index 0a7d6f0bc4c..6c053c2a0ae 100644
--- a/packages/managed-agent-server/verification/src/test/java/com/alibaba/qwen/code/managedagent/workspace/ChildWorkspaceServiceTest.java
+++ b/packages/managed-agent-server/verification/src/test/java/com/alibaba/qwen/code/managedagent/workspace/ChildWorkspaceServiceTest.java
@@ -704,7 +704,7 @@ class ChildWorkspaceServiceTest {
         assertThat(parked.state()).isEqualTo(ChildWorkspaceStore.PREPARING);
         assertThat(parked.attempts()).isZero();
         assertThat(parked.nextRetryAt()).isEqualTo(clock.get() + ChildWorkspaceService.BUSY_DELAY_MS);
-        assertThat(parked.lastError()).contains("held by another tool turn");
+        assertThat(parked.lastError()).contains("Workspace is not available for this operation");
         assertThat(root.resolve(ChildWorktreeGit.CONTAINER)).doesNotExist();
 
         service.scan();