@Test
public void testGetInstanceProperty() {

    assertNull(InstanceUtils.getInstanceProperty(null,  "cloudAccount"));
    HashMap<String, String> attributes = new HashMap<>();
    assertNull(InstanceUtils.getInstanceProperty(attributes,  "cloudAccount"));
    attributes.put("testAccount", "1235");
    assertNull(InstanceUtils.getInstanceProperty(attributes,  "cloudAccount"));
    attributes.put("cloudAccount", "1235");
    assertEquals(InstanceUtils.getInstanceProperty(attributes,  "cloudAccount"), "1235");
}