### Question:
InstanceConfig { public String getIcon64() { return icon64; }  String getName(); String getLabel(); String getDescription(); boolean isVisible(); String getIcon(); String getIcon64(); List<PropertyConfig> getProperties();  }### Answer:
@Test public void testGetIcon64() throws Exception { List<InstanceConfig> instances = getInstanceConfigs(); Assert.assertEquals(2, instances.size()); Assert.assertEquals("/this/is/the/icon/url/instance_1_icon64.png", instances.get(0).getIcon64()); Assert.assertNull(instances.get(1).getIcon()); }