[#203] pilorama: Refactor tests

Do not pass 0 as channel capacity.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

pkg/local_object_storage/pilorama/forest_test.go

@@ -747,7 +747,7 @@ func testForestTreeParallelApply(t *testing.T, constructor func(t testing.TB, _
 
 		actual := constructor(t, WithMaxBatchSize(batchSize))
 		wg := new(sync.WaitGroup)
-		ch := make(chan *Move, 0)
+		ch := make(chan *Move)
 		for i := 0; i < batchSize; i++ {
 			wg.Add(1)
 			go func() {