Intermittent failures in org.jboss.as.test.integration.management.cli tests

I'm seeing frequent intermittent failures in the CLI tests, along these lines:

testConnect(org.jboss.as.test.integration.management.cli.BasicOpsTestCase) Time elapsed: 11.968 sec <<< ERROR!
java.lang.Exception: CLI read timeout.
at org.jboss.as.test.integration.management.util.CLIWrapper.readLine(CLIWrapper.java:147)
at org.jboss.as.test.integration.management.cli.BasicOpsTestCase.testConnect(BasicOpsTestCase.java:48)

A 1 sec timeout is inadequate. As an initial fix I'm going to increase it. To something big. If we want to test the response time of the CLI we need to move it out of the main testsuite. We can't trigger failures in the main testsuite that are due to external factors on the machine.