Create a API Test

SearchServiceTest.kt

@ExperimentalCoroutinesApi
class SearchServiceTest {

    private lateinit var service: SearchService

    private lateinit var mockWebServer: MockWebServer

    @Before
    fun setup() {
        mockWebServer = MockWebServer()
        service = Retrofit.Builder()
            .baseUrl(mockWebServer.url("/"))
            .addConverterFactory(GsonConverterFactory.create())
            .build()
            .create(SearchService::class.java)
    }

    @After
    fun dropdown() {
        mockWebServer.shutdown()
    }
}