Fix file name in documentation

Change-Id: I99ec4cf173d8aa89dc65a0f26e198ecf7a447a07
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/extended/code_update/test_image_upload.robot b/extended/code_update/test_image_upload.robot
index 477113a..f15c86b 100644
--- a/extended/code_update/test_image_upload.robot
+++ b/extended/code_update/test_image_upload.robot
@@ -11,7 +11,7 @@
 ...                   -v BMC_TFTP_FILE_NAME:<filename.tar>
 ...                   -v PNOR_IMAGE_FILE_PATH:<path/*.tar>
 ...                   -v BMC_IMAGE_FILE_PATH:<path/*.tar>
-...                   -v BAD_IMAGES_DIR_PATH:<path> test_uploadimage.robot
+...                   -v BAD_IMAGES_DIR_PATH:<path> test_image_upload.robot
 
 Resource              ../../lib/connection_client.robot
 Resource              ../../lib/rest_client.robot