// uploadIds [0].
	// Create bucket before initiating NewMultipartUpload.
	err := obj.MakeBucket(context.Background(), bucketName, MakeBucketOptions{})
	if err != nil {
		// Failed to create newbucket, abort.
		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	// Test cases for signature-V2.
	testCasesV2 := []struct {
		expectedStatus int
		accessKey      string
		secretKey      string
	}{

		return err
	}

	// Delete all directories we expect to be there.
	for _, dir := range wantDirs {
		delete(foundDirs, dir)
	}

	// Delete excessive directories.
	// Do not abort on context errors.
	for dir := range foundDirs {
		toRemove := pathJoin(volumeDir, path, dir+SlashSeparator)
		err = s.deleteFile(volumeDir, toRemove, true, true)
		diskHealthCheckOK(ctx, err)
		if err != nil {

			return err
		}
		attempts++
		time.Sleep(time.Duration(rand.Int63n(int64(time.Second))))
	}
	if err != nil {
		return err
	}

	defer func() {
		if err != nil {
			// block and abort remote upload upon failure.
			attempts := 1
			for attempts <= 3 {
				actx, acancel := context.WithTimeout(ctx, time.Minute)
				aerr := c.AbortMultipartUpload(actx, bucket, object, uploadID)
				acancel()

	var uploadedParts []CompletePart
	res, err := api.NewMultipartUpload(context.Background(), tgtBucket, tgtObject, opts)
	if err != nil {
		return err
	}

	defer func() {
		if err != nil {
			// block and abort remote upload upon failure.
			attempts := 1
			for attempts <= 3 {
				aerr := api.AbortMultipartUpload(ctx, tgtBucket, tgtObject, res.UploadID, ObjectOptions{})
				if aerr == nil {
					return
				}

				bucket, humanize.Ordinal(er.setIndex+1))
		}

		disks, _, healing := er.getOnlineDisksWithHealingAndInfo(true)
		if len(disks) == healing {
			// All drives in this erasure set were reformatted for some reasons, abort healing and mark it as successful
			healingLogIf(ctx, errors.New("all drives are in healing state, aborting.."))
			return nil
		}

		disks = disks[:len(disks)-healing] // healing drives are always at the end of the list

	}{
		// Test case - 1.
		// Abort existing upload ID.
		{
			bucket:             bucketName,
			object:             objectName,
			uploadID:           uploadIDs[0],
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusNoContent,
		},
		// Test case - 2.
		// Abort non-existing upload ID.
		{