First frontend commit

Change-Id: Ieab79fc7bf553cdce5384dadcdc03695c357eace
diff --git a/frontend/my-app/src/setupTests.js b/frontend/my-app/src/setupTests.js
new file mode 100644
index 0000000..4af0820
--- /dev/null
+++ b/frontend/my-app/src/setupTests.js
@@ -0,0 +1,7 @@
+import '@testing-library/jest-dom';
+import { server } from './mocks/server';
+
+// MSW 启动
+beforeAll(() => server.listen());
+afterEach(() => server.resetHandlers());
+afterAll(() => server.close());