Move test to Integration group.

The test is a no go on Windows and fails on builds.apache.org (connects to localhost)

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Cannot establish ssh connection to jenkins @ SshMachineLocation[SshMachineLocation:MNYu:localhost/127.0.0.1] (Exhausted available authentication methods). 
Ensure that passwordless and passphraseless ssh access is enabled using standard keys from ~/.ssh or as configured in brooklyn.properties. Check that the target host is accessible, that credentials are correct (location and permissions if using a key), that the SFTP subsystem is available on the remote side, and that there is sufficient random noise in /dev/random on 

Caused by: net.schmizz.sshj.userauth.UserAuthException: Exhausted available authentication methods
	at net.schmizz.sshj.userauth.UserAuthImpl.authenticate(UserAuthImpl.java:114)
	at net.schmizz.sshj.SSHClient.auth(SSHClient.java:205)
	at net.schmizz.sshj.SSHClient.authPublickey(SSHClient.java:305)
	at net.schmizz.sshj.SSHClient.authPublickey(SSHClient.java:353)
	at net.schmizz.sshj.SSHClient.authPublickey(SSHClient.java:283)
	at brooklyn.util.internal.ssh.sshj.SshjClientConnection.create(SshjClientConnection.java:209)
	at brooklyn.util.internal.ssh.sshj.SshjClientConnection.create(SshjClientConnection.java:1)
	at brooklyn.util.internal.ssh.sshj.SshjTool.acquire(SshjTool.java:381)
	... 19 more