public MemberAttributeConfig setAttributes(Map<String, String> attributes) {
        this.attributes.clear();
        if (attributes != null) {
            this.attributes.putAll(attributes);
        }
        return this;
    }
@Test(expected = java.lang.UnsupportedOperationException.class)
    public void testReadOnlyMemberAttributeConfigSetAttributes() {
        new MemberAttributeConfigReadOnly(new MemberAttributeConfig()).setAttributes(new HashMap<>());
    }