Improve FileFetchSchedulerSpec test

src/test/scala/fetch/FileFetchSchedulerSpec.scala

@@ -18,21 +18,21 @@ class FileFetchSchedulerSpec extends AsyncWordSpec with Matchers with IOSuite {
         refDb <- Ref.of[IO, Option[String]](None)
         refFetch <- Ref.of[IO, Option[(String, String)]](None)
         refScheduler <- Ref.of[IO, Option[Either[Throwable, (String, String)]]](None)
-        services = Slf4jLogger.create[IO].flatMap { log =>
-          val dbService = new DBService(log) {
+        log <- Slf4jLogger.create[IO]
+        dbService = new DBService(log) {
           override def save(fileName: String, content: String): IO[Either[Throwable, String]] = {
             refDb.set(Some(fileName)).as(Right(fileName))
           }
         }
-          val fileNameService = new FileNameService {
+        fileNameService = new FileNameService {
           override def generateCurrentHour(implicit clock: Clock[IO]): IO[String] = IO.pure("file_test")
         }
-          val fetchService = new FetchService(fileNameService, log) {
+        fetchService = new FetchService(fileNameService, log) {
           override def fetchSingleFile(fileName: String): IO[Either[Throwable, (String, String)]] = {
             refFetch.set(Some((fileName, "content"))).as(Right((fileName, "content")))
           }
         }
-          val scheduler = new Scheduler(log) {
+        scheduler = new Scheduler(log) {
           override def scheduleTask(task: IO[Either[Throwable, (String, String)]]): Stream[IO, Either[Throwable, (String, String)]] = {
             Stream.eval(task).flatMap { result =>
               Stream.eval(refScheduler.set(Some(result))).as(result)
@@ -40,21 +40,15 @@ class FileFetchSchedulerSpec extends AsyncWordSpec with Matchers with IOSuite {
           }
         }
 
-          IO((dbService, fetchService, fileNameService, scheduler, log))
-        }
-        res <- services.flatMap { case (dbService, fetchService, fileNameService, scheduler, log) => {
-          new FileFetchScheduler(dbService, fetchService, fileNameService, scheduler, log)
+        res = new FileFetchScheduler(dbService, fetchService, fileNameService, scheduler, log)
           .run.compile.drain *>
           (refDb.get, refFetch.get, refScheduler.get).tupled.map { case (db, fetch, scheduler) =>
             db shouldBe Some("file_test")
             fetch shouldBe Some(("file_test", "content"))
             scheduler shouldBe Some(Right(("file_test", "content")))
           }
-          }
-        }
       } yield res
     }
   }
 }
 
-