Update README.md.

Author: jjhayes

README.md

@@ -10,31 +10,25 @@ Rocks rolls from the SDSC development group.
 To build/install this roll you must have root access to a Rocks development
 machine (e.g., a frontend or development appliance).
 
-If your Rocks development machine does *not* have Internet access you must
-download the appropriate R source file(s) using a machine that does have
-Internet access and copy them into the `src/<packages>` directories on your
-Rocks development machine.
-
 
 ## Dependencies
 
 None.
 
+
 ## Building
 
-To build the sdsc-roll, execute these instructions on a Rocks development
+To build the sdsc-roll, execute this on a Rocks development
 machine (e.g., a frontend or development appliance):
 
 ```shell
 % make 2>&1 | tee build.log
-% grep "RPM build error" build.log
 ```
 
-If nothing is returned from the grep command then the roll should have been
-created as... `sdsc-roll-*.iso`. If you built the roll on a Rocks frontend then
-proceed to the installation step. If you built the roll on a Rocks development
-appliance you need to copy the roll to your Rocks frontend before continuing
-with installation.
+A successful build will create the file `weka-*.disk1.iso`.  If you built the
+roll on a Rocks frontend, proceed to the installation step. If you built the
+roll on a Rocks development appliance, you need to copy the roll to your Rocks
+frontend before continuing with installation.
 
 
 ## Installation
@@ -49,3 +43,13 @@ To install, execute these instructions on a Rocks frontend:
 % rocks run roll sdsc | bash
 ```
 
+
+## Testing
+
+The sdsc-roll includes a test script which can be run to verify proper
+installation of the roll documentation, binaries and module files. To
+run the test scripts execute the following command(s):
+
+```shell
+% /root/rolltests/sdsc.t 
+```