### Question:
RoleMapper { public boolean isSpringRoles() { return springRoles; } RoleMapper(final Supplier<Map<String, Set<String>>> mappingSupplier); Set<GrantedAuthority> mapRolesToGrantedAuthority(final Collection<String> roles); Set<T> mapRolesToPrivileges(final Collection<String> roles,
			final Function<String, ? extends T> converter); boolean isSpringRoles(); void setSpringRoles(final boolean springRoles);  }### Answer:
@Test public void testInitialization() { assertThat(roleMapper.isSpringRoles(), is(true)); }