@Test
public void testInstanceExists() {

	Assert.assertTrue( this.context.instanceExists( "/tomcat-vm" ));
	Assert.assertTrue( this.context.instanceExists( "/tomcat-vm/tomcat-server" ));
	Assert.assertFalse( this.context.instanceExists( "/tomcat-vm/invalid" ));
	Assert.assertFalse( this.context.instanceExists( "invalid" ));
}