@Override
    protected String getPassword() {
        return "alice";
    }
Run a manual test for the IdentityServer4 (https://github.com/IdentityServer/IdentityServer4/src/Host)
with the following configuration:

new Client
{
    ClientId = "test",
    ClientSecrets = new List<Secret>
    {
        new Secret("secret".Sha256())
    },
    RedirectUris = new List<string>
    {
        "http://www.pac4j.org/"
    },
    AllowedGrantTypes = GrantTypes.ImplicitAndClientCredentials,
    AllowedScopes = new List<string>
    {
        "openid", "profile", "email"
    }
},

@author Jerome Leleu
@since 1.9.2
pac4j-oidc/src/test/java/org/pac4j/oidc/run/RunIdentityServer4.java