This test does the following:
run an app with a single appclient jar :
while running, the appclient script takes -mainclass option.
-mainclass/-name options are not mandatory options for single appclient jar EARs.
run an app with multiple appclient jars :
-mainclass/-name option is mandatory for this case. This case covers :
1> no -mainclass/-name specified
2> -mainclass specified