partInfosInQuorum[pidx] = ObjectPartInfo{
			Number: partNumbers[pidx],
			Error: InvalidPart{
				PartNumber: partNumbers[pidx],
			}.Error(),
		}

	}
	return partInfosInQuorum, nil
}

func objPartToPartErr(part ObjectPartInfo) error {
	if strings.Contains(part.Error, "file not found") {
		return InvalidPart{PartNumber: part.Number}
	}

		{bucketNames[0], objectNames[0], uploadIDs[0], []CompletePart{{ETag: "abcz"}}, "", InvalidPart{}, false},
		// Part number 0 doesn't exist, expecting InvalidPart error (Test number 12).
		{bucketNames[0], objectNames[0], uploadIDs[0], []CompletePart{{ETag: "abcd", PartNumber: 0}}, "", InvalidPart{}, false},

		Code:           "MethodNotAllowed",
		Description:    "The specified method is not allowed against this resource.",
		HTTPStatusCode: http.StatusMethodNotAllowed,
	},
	ErrInvalidPart: {
		Code:           "InvalidPart",
		Description:    "One or more of the specified parts could not be found.  The part may not have been uploaded, or the specified entity tag may not match the part's entity tag.",
		HTTPStatusCode: http.StatusBadRequest,
	},

			parts:     inputParts[0].parts,
			accessKey: credentials.AccessKey,
			secretKey: credentials.SecretKey,

			expectedContent: encodeResponse(getAPIErrorResponse(ctx,
				toAPIError(ctx, InvalidPart{}),
				getGetObjectURL("", bucketName, objectName), "", "")),
			expectedRespStatus: http.StatusBadRequest,
		},
		// Test case - 2.
		// No parts specified in CompletePart{}.