diff --git a/lib/sectorbuilder/sectorbuilder.go b/lib/sectorbuilder/sectorbuilder.go
index 4299dd18d..6126db082 100644
--- a/lib/sectorbuilder/sectorbuilder.go
+++ b/lib/sectorbuilder/sectorbuilder.go
@@ -291,7 +291,7 @@ func (sb *SectorBuilder) SealCommit(sectorID uint64, ticket SealTicket, seed Sea
 		}
 	}
 
-	sealedPath, err := sb.sealedSectorPath(sectorID)
+/*	sealedPath, err := sb.sealedSectorPath(sectorID)
 	if err != nil {
 		return nil, err
 	}
@@ -312,7 +312,7 @@ func (sb *SectorBuilder) SealCommit(sectorID uint64, ticket SealTicket, seed Sea
 	)
 	if err != nil {
 		return nil, xerrors.Errorf("ImportSealedSector: %w", err)
-	}
+	}*/
 	return proof, nil
 }
 
diff --git a/lib/sectorbuilder/sectorbuilder_test.go b/lib/sectorbuilder/sectorbuilder_test.go
index 15f8beeed..4f5c111fb 100644
--- a/lib/sectorbuilder/sectorbuilder_test.go
+++ b/lib/sectorbuilder/sectorbuilder_test.go
@@ -1,6 +1,8 @@
 package sectorbuilder_test
 
 import (
+	"context"
+	"fmt"
 	"io"
 	"io/ioutil"
 	"math/rand"
@@ -76,28 +78,30 @@ func (s *seal) commit(t *testing.T, sb *sectorbuilder.SectorBuilder, done func()
 }
 
 func (s *seal) post(t *testing.T, sb *sectorbuilder.SectorBuilder) {
-	/*
-		 // TODO: fixme
-			cSeed := [32]byte{0, 9, 2, 7, 6, 5, 4, 3, 2, 1, 0, 9, 8, 7, 6, 45, 3, 2, 1, 0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 9}
+	cSeed := [32]byte{0, 9, 2, 7, 6, 5, 4, 3, 2, 1, 0, 9, 8, 7, 6, 45, 3, 2, 1, 0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 9}
 
-			ssi := sectorbuilder.NewSortedPublicSectorInfo([]sectorbuilder.PublicSectorInfo{{
-				SectorID: s.sid,
-				CommR:    s.pco.CommR,
-			}})
+	ssi := sectorbuilder.NewSortedPublicSectorInfo([]sectorbuilder.PublicSectorInfo{{
+		SectorID: s.sid,
+		CommR:    s.pco.CommR,
+	}})
 
-			postProof, err := sb.GeneratePoSt(ssi, cSeed, []uint64{})
-			if err != nil {
-				t.Fatalf("%+v", err)
-			}
+	candndates, err := sb.GenerateEPostCandidates(ssi, cSeed, []uint64{})
+	if err != nil {
+		t.Fatalf("%+v", err)
+	}
 
-			ok, err := sectorbuilder.VerifyPost(context.TODO(), sb.SectorSize(), ssi, cSeed, postProof, []uint64{})
-			if err != nil {
-				t.Fatalf("%+v", err)
-			}
-			if !ok {
-				t.Fatal("bad post")
-			}
-	*/
+	postProof, err := sb.ComputeElectionPoSt(ssi, cSeed[:], candndates)
+	if err != nil {
+		t.Fatalf("%+v", err)
+	}
+
+	ok, err := sectorbuilder.VerifyPost(context.TODO(), sb.SectorSize(), ssi, cSeed[:], postProof, candndates, sb.Miner)
+	if err != nil {
+		t.Fatalf("%+v", err)
+	}
+	if !ok {
+		t.Fatal("bad post")
+	}
 }
 
 func TestSealAndVerify(t *testing.T) {
@@ -126,6 +130,10 @@ func TestSealAndVerify(t *testing.T) {
 	}
 	cleanup := func() {
 		sb.Destroy()
+		if t.Failed() {
+			fmt.Printf("not removing %s\n", dir)
+			return
+		}
 		if err := os.RemoveAll(dir); err != nil {
 			t.Error(err)
 		}