@Override
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }

        return obj instanceof RoundRobinDistributionSpec;
    }
@Test
    void testEquals() {
        DistributionSpec rr1 = new RoundRobinDistributionSpec();
        DistributionSpec rr2 = new RoundRobinDistributionSpec();
        assertEquals(rr1, rr2);
    }