Fix lint errors

internal/shutdown/shutdown.go

@@ -26,7 +26,7 @@ func ShutdownServices(ctx context.Context, notifierCh chan os.Signal, waitTime t
 	})
 
 	select {
-	case _ = <-successCh:
+	case <-successCh:
 		return nil
 	case err := <-errCh:
 		return err

pkg/beaconclient/processslot.go

@@ -236,6 +236,7 @@ func (ps *ProcessSlot) createWriteObjects() *DatabaseWriter {
 	if ps.BlockRoot != "" {
 		blockRoot = ps.BlockRoot
 	} else {
+		log.Info("We need to add logic")
 		// We need to get the state of Slot + 1, then we can run the below.
 		// WE can query it for each run, or we can leave it blank, and update it.
 		// I just want to avoid getting the same state twice, especially since the state can get heavy.

pkg/database/sql/postgres/pgx_test.go

@@ -29,17 +29,18 @@ var _ = Describe("Pgx", func() {
 				_, err := postgres.NewPostgresDB(postgres.Config{
 					Driver: "PGX",
 				})
-				Expect(err).NotTo(BeNil())
+				Expect(err).NotTo(HaveOccurred())
 
 				present, err := doesContainsSubstring(err.Error(), sql.DbConnectionFailedMsg)
 				Expect(present).To(BeTrue())
+				Expect(err).NotTo(HaveOccurred())
 			})
 		})
 		Context("The connection is successful", func() {
 			It("Should create a DB object", func() {
 				db, err := postgres.NewPostgresDB(postgres.DefaultConfig)
-				defer db.Close()
 				Expect(err).To(BeNil())
+				defer db.Close()
 			})
 		})
 	})

pkg/gracefulshutdown/gracefulshutdown.go

@@ -38,7 +38,6 @@ func Shutdown(ctx context.Context, notifierCh chan os.Signal, timeout time.Durat
 		timeoutFunc := time.AfterFunc(timeout, func() {
 			log.Warnf(TimeoutErr(timeout.String()).Error())
 			errCh <- TimeoutErr(timeout.String())
-			return
 		})
 
 		defer timeoutFunc.Stop()