apiErr := errorCodes.ToAPIErr(s3Err)
		// If not set, convert or use BadRequest
		if s3Err == ErrNone {
			apiErr = toAPIError(ctx, err)
			if apiErr.Code == "InternalError" {
				// Convert generic internal errors to bad requests.
				apiErr = APIError{
					Code:           "BadRequest",
					Description:    err.Error(),
					HTTPStatusCode: http.StatusBadRequest,
				}
			}

			secretKey:        credentials.SecretKey,

			expectedRespStatus: http.StatusBadRequest,
		},

		// Test case - 7.
		// Test case with object name missing from source.
		// fail with BadRequest.
		{
			bucketName:       bucketName,
			uploadID:         uploadID,
			copySourceHeader: url.QueryEscape("//123"),
			accessKey:        credentials.AccessKey,
			secretKey:        credentials.SecretKey,