Test Case 11 Multiple topics published simultaneously

3 topic and 3 type

T1 foo1
T2 foo2
T3 foo3

We create a datareader and datawriter for each topic.

run_test.pl: 3 writers in one publisher process and 3 readers in one subscriber
             process.

run_test1.pl: 3 publisher processes (one for each topic) and 3 readers in
              one subscriber process.

run_test2.pl: 3 writers in one publisher process and 3 subscriber
              processes.

run_test3.pl: 3 publisher process (one for each topic) and 3 subscriber
              processes.
