[FAB-6240] Fix typos in function names

Fix misspelling fuction names in txtestutils.go

Change-Id: I3bf50437153b01a2656614ba2dec25f8e1da2836
Signed-off-by: Boliang Chen <cblsjtu@gmail.com>

Author: cblsjtu

common/ledger/testutil/test_helper.go

@@ -96,7 +96,7 @@ func ConstructTransaction(_ *testing.T, simulationResults []byte, txid string, s
 	if sign {
 		txEnv, txID, err = ptestutils.ConstructSingedTxEnvWithDefaultSigner(util.GetTestChainID(), ccid, nil, simulationResults, txid, nil, nil)
 	} else {
-		txEnv, txID, err = ptestutils.ConstructUnsingedTxEnv(util.GetTestChainID(), ccid, nil, simulationResults, txid, nil, nil)
+		txEnv, txID, err = ptestutils.ConstructUnsignedTxEnv(util.GetTestChainID(), ccid, nil, simulationResults, txid, nil, nil)
 	}
 	return txEnv, txID, err
 }
@@ -152,7 +152,7 @@ func ConstructBytesProposalResponsePayload(version string, simulationResults []b
 		Name:    "foo",
 		Version: version,
 	}
-	return ptestutils.ConstractBytesProposalResponsePayload(util.GetTestChainID(), ccid, nil, simulationResults)
+	return ptestutils.ConstructBytesProposalResponsePayload(util.GetTestChainID(), ccid, nil, simulationResults)
 }
 
 func newBlock(env []*common.Envelope, blockNum uint64, previousHash []byte) *common.Block {

protos/testutils/txtestutils.go

@@ -51,8 +51,8 @@ func init() {
 	}
 }
 
-// ConstractBytesProposalResponsePayload constructs a ProposalResponsePayload byte for tests with a default signer.
-func ConstractBytesProposalResponsePayload(chainID string, ccid *pb.ChaincodeID, pResponse *pb.Response, simulationResults []byte) ([]byte, error) {
+// ConstructBytesProposalResponsePayload constructs a ProposalResponsePayload byte for tests with a default signer.
+func ConstructBytesProposalResponsePayload(chainID string, ccid *pb.ChaincodeID, pResponse *pb.Response, simulationResults []byte) ([]byte, error) {
 	ss, err := signer.Serialize()
 	if err != nil {
 		return nil, err
@@ -116,8 +116,8 @@ func ConstructSingedTxEnv(chainID string, ccid *pb.ChaincodeID, pResponse *pb.Re
 var mspLcl msp.MSP
 var sigId msp.SigningIdentity
 
-// ConstructUnsingedTxEnv creates a Transaction envelope from given inputs
-func ConstructUnsingedTxEnv(chainID string, ccid *pb.ChaincodeID, response *pb.Response, simulationResults []byte, txid string, events []byte, visibility []byte) (*common.Envelope, string, error) {
+// ConstructUnsignedTxEnv creates a Transaction envelope from given inputs
+func ConstructUnsignedTxEnv(chainID string, ccid *pb.ChaincodeID, response *pb.Response, simulationResults []byte, txid string, events []byte, visibility []byte) (*common.Envelope, string, error) {
 	if mspLcl == nil {
 		mspLcl = mmsp.NewNoopMsp()
 		sigId, _ = mspLcl.GetDefaultSigningIdentity()