Move spec file next to source — colocated test convention

Author: anderdc

packages/das/src/app.controller.spec.ts

@@ -0,0 +1,20 @@
+import { Test, TestingModule } from "@nestjs/testing";
+import { AppController } from "./app.controller";
+
+describe("AppController", () => {
+  let controller: AppController;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      controllers: [AppController],
+    }).compile();
+
+    controller = module.get<AppController>(AppController);
+  });
+
+  describe("getHealth", () => {
+    it("should return status ok", () => {
+      expect(controller.getHealth()).toEqual({ status: "ok" });
+    });
+  });
+});