//test will fail if Exception is thrown out
cluster.setVhmMinNum(0);
assertEquals(true, cluster.validateSetParamParameters(null, null, -1));
assertEquals(true, cluster.validateSetParamParameters(null, null, 0));
assertEquals(true, cluster.validateSetParamParameters(null, null, 1));
cluster.setVhmMinNum(-1);
assertEquals(true, cluster.validateSetParamParameters(null, null, -1));
assertEquals(true, cluster.validateSetParamParameters(null, null, 0));
assertEquals(true, cluster.validateSetParamParameters(null, null, 1));