diff --git a/sharding/collation_test.go b/sharding/collation_test.go
index 72d726f77..d1d8daa67 100644
--- a/sharding/collation_test.go
+++ b/sharding/collation_test.go
@@ -1,6 +1,8 @@
 package sharding
 
 import (
+	"testing"
+
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 )
@@ -8,38 +10,38 @@ import (
 // TODO: this test needs to change as we will be serializing tx's into blobs
 // within the collation body instead.
 
-// func TestCollation_AddTransactions(t *testing.T) {
-// 	tests := []struct {
-// 		transactions []*types.Transaction
-// 	}{
-// 		{
-// 			transactions: []*types.Transaction{
-// 				makeTxWithGasLimit(0),
-// 				makeTxWithGasLimit(1),
-// 				makeTxWithGasLimit(2),
-// 				makeTxWithGasLimit(3),
-// 			},
-// 		}, {
-// 			transactions: []*types.Transaction{},
-// 		},
-// 	}
+func TestCollation_AddTransactions(t *testing.T) {
+	tests := []struct {
+		transactions []*types.Transaction
+	}{
+		{
+			transactions: []*types.Transaction{
+				makeTxWithGasLimit(0),
+				makeTxWithGasLimit(1),
+				makeTxWithGasLimit(2),
+				makeTxWithGasLimit(3),
+			},
+		}, {
+			transactions: []*types.Transaction{},
+		},
+	}
 
-// 	for _, tt := range tests {
-// 		c := &Collation{}
-// 		for _, tx := range tt.transactions {
-// 			c.AddTransaction(tx)
-// 		}
-// 		results := c.Transactions()
-// 		if len(results) != len(tt.transactions) {
-// 			t.Fatalf("Wrong number of transactions. want=%d. got=%d", len(tt.transactions), len(results))
-// 		}
-// 		for i, tx := range tt.transactions {
-// 			if results[i] != tx {
-// 				t.Fatalf("Mismatched transactions. wanted=%+v. got=%+v", tt.transactions, results)
-// 			}
-// 		}
-// 	}
-// }
+	for _, tt := range tests {
+		c := &Collation{}
+		for _, tx := range tt.transactions {
+			c.AddTransaction(tx)
+		}
+		results := c.Transactions()
+		if len(results) != len(tt.transactions) {
+			t.Fatalf("Wrong number of transactions. want=%d. got=%d", len(tt.transactions), len(results))
+		}
+		for i, tx := range tt.transactions {
+			if results[i] != tx {
+				t.Fatalf("Mismatched transactions. wanted=%+v. got=%+v", tt.transactions, results)
+			}
+		}
+	}
+}
 
 func makeTxWithGasLimit(gl uint64) *types.Transaction {
 	return types.NewTransaction(0 /*nonce*/, common.HexToAddress("0x0") /*to*/, nil /*amount*/, gl, nil /*gasPrice*/, nil /*data*/)