Fix lint warnings

Author: belimawr

filebeat/input/v2/input-cursor/input.go

@@ -229,6 +229,7 @@ func newInputACKHandler(log *logp.Logger) beat.EventListener {
 		if n == 0 {
 			return
 		}
+		//nolint:errcheck // We know it will always work
 		private[last].(*updateOp).Execute(n)
 	})
 }

x-pack/filebeat/tests/integration/managerV2_test.go

@@ -1194,6 +1194,7 @@ func TestFoo(t *testing.T) {
 			require.NoError(t, server.Start())
 			t.Cleanup(server.Stop)
 
+			//nolint:forbidigo // I'll remove it later
 			fmt.Println(
 				"Connection string:\n",
 				"-E", fmt.Sprintf(`management.insecure_grpc_url_for_testing="localhost:%d"`, server.Port),