Switching from ComponentCategory.CONTROLLER to AGENT in a couple of cases

[jglick]

Seemed to make more sense to me. Noticed while doing #496.

[Dohbedoh]

I would think ComponentCategory.AGENT is a good fit here.

[Dohbedoh]

0.013 [id=77]	INFO	o.jvnet.hudson.test.JenkinsRule#createWebServer: Running on http://localhost:37059/jenkins/
   0.029 [id=90]	INFO	jenkins.InitReactorRunner$1#onAttained: Started initialization
   0.030 [id=96]	INFO	jenkins.InitReactorRunner$1#onAttained: Listed all plugins
   0.033 [id=92]	INFO	j.b.api.BouncyCastlePlugin#start: /home/jenkins/agent/workspace/ugins_support-core-plugin_PR-497/target/tmp/j h12565975100753706842/plugins/bouncycastle-api/WEB-INF/optional-lib not found; for non RealJenkinsRule this is fine and can be ignored.
   0.162 [id=93]	INFO	jenkins.InitReactorRunner$1#onAttained: Prepared all plugins
   0.164 [id=92]	INFO	jenkins.InitReactorRunner$1#onAttained: Started all plugins
   0.166 [id=92]	INFO	jenkins.InitReactorRunner$1#onAttained: Augmented all extensions
   0.238 [id=54]	WARNING	o.j.h.test.SimpleCommandLauncher#launch
java.io.IOException: Node slave0 has been deleted during the channel setup
	at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:696)
	at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:438)
	at org.jvnet.hudson.test.SimpleCommandLauncher.launch(SimpleCommandLauncher.java:82)
	at hudson.slaves.SlaveComputer.lambda$_connect$0(SlaveComputer.java:298)
	at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:48)
	at jenkins.security.ImpersonatingExecutorService$2.call(ImpersonatingExecutorService.java:82)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:829)
   0.333 [id=94]	INFO	jenkins.InitReactorRunner$1#onAttained: System config loaded
   0.349 [id=94]	INFO	jenkins.InitReactorRunner$1#onAttained: System config adapted
   0.350 [id=96]	INFO	jenkins.InitReactorRunner$1#onAttained: Loaded all jobs
   0.351 [id=96]	INFO	jenkins.InitReactorRunner$1#onAttained: Configuration for all jobs updated
   0.356 [id=91]	INFO	jenkins.InitReactorRunner$1#onAttained: Completed initialization
   0.392 [id=77]	INFO	hudson.lifecycle.Lifecycle#onStatusUpdate: Stopping Jenkins
   0.532 [id=77]	INFO	hudson.lifecycle.Lifecycle#onStatusUpdate: Jenkins stopped
   0.601 [id=77]	INFO	o.j.h.t.TemporaryDirectoryAllocator#dispose: deleting /home/jenkins/agent/workspace/ugins_support-core-plugin_PR-497/target/tmp/j h12565975100753706842

Some flaky test I guess, maybe this test needs a j.waitOnline(agent); after creating the agent .. I will run this again.