.withPropertyA1("foo")
.save();
assertThat(created.id(), is(notNullValue()));
assertThat(created.notes(), is("Some notes"));
assertThat(created.property("a1"), is("foo"));
assertThat(created.propertyA1(), is("foo"));
// read
final CapabilityA read = capabilities().get(CapabilityA.class, created.id());