diff --git a/extensions/line/src/bot-message-context.test.ts b/extensions/line/src/bot-message-context.test.ts
index 2ea9a261aef..632f7315205 100644
--- a/extensions/line/src/bot-message-context.test.ts
+++ b/extensions/line/src/bot-message-context.test.ts
@@ -107,13 +107,9 @@ describe("buildLineMessageContext", () => {
       account,
       commandAuthorized: true,
     });
-    expect(context).not.toBeNull();
-    if (!context) {
-      throw new Error("context missing");
-    }
 
-    expect(context.ctxPayload.OriginatingTo).toBe("line:group:group-1");
-    expect(context.ctxPayload.To).toBe("line:group:group-1");
+    expect(context?.ctxPayload.OriginatingTo).toBe("line:group:group-1");
+    expect(context?.ctxPayload.To).toBe("line:group:group-1");
   });
 
   it("routes group postback replies to the group id", async () => {