test: add integration test, check for actual structure

test/integration/recommendations.test.ts

@@ -1,11 +1,22 @@
-import { Recommendations } from '../../src'
+import { amazonMarketplaces, Recommendations } from '../../src'
 import { Config } from './config'
 import { itci } from './it'
 
 const httpClient = new Config().createHttpClient()
 
 /* eslint-disable jest/no-standalone-expect */
 describe(`${Recommendations.name}`, () => {
+  itci('should be able to query last updated time for recommendations', async () => {
+    expect.assertions(1)
+
+    const recommendations = new Recommendations(httpClient)
+
+    const [response] = await recommendations.getLastUpdatedTimeForRecommendations({
+      MarketplaceId: amazonMarketplaces.US.id,
+    })
+
+    expect(response).toBeDefined()
+  })
   itci('should be able to query service status', async () => {
     expect.assertions(1)