public final void testGetGrantedAuthoritiesDontAddPrefixIfAlreadyExisting2() {
   String[] roles = {"Role1", "Role2", "role_Role3"};
   String[] expectedGas = {"ROLE_Role1", "ROLE_Role2", "ROLE_role_Role3"};
   SimpleAttributes2GrantedAuthoritiesMapper mapper = getDefaultMapper();
   mapper.setAddPrefixIfAlreadyExisting(false);
   mapper.setAttributePrefix("ROLE_");
   testGetGrantedAuthorities(mapper, roles, expectedGas);
 }
 public final void testGetGrantedAuthoritiesCombination1() {
   String[] roles = {"Role1", "Role2", "role_Role3"};
   String[] expectedGas = {"ROLE_ROLE1", "ROLE_ROLE2", "ROLE_ROLE3"};
   SimpleAttributes2GrantedAuthoritiesMapper mapper = getDefaultMapper();
   mapper.setAddPrefixIfAlreadyExisting(false);
   mapper.setConvertAttributeToUpperCase(true);
   mapper.setAttributePrefix("ROLE_");
   testGetGrantedAuthorities(mapper, roles, expectedGas);
 }
 private SimpleAttributes2GrantedAuthoritiesMapper getDefaultMapper() {
   SimpleAttributes2GrantedAuthoritiesMapper mapper =
       new SimpleAttributes2GrantedAuthoritiesMapper();
   mapper.setAttributePrefix("");
   mapper.setConvertAttributeToLowerCase(false);
   mapper.setConvertAttributeToUpperCase(false);
   mapper.setAddPrefixIfAlreadyExisting(false);
   return mapper;
 }