@AfterEach
    public void afterEachTest() throws Exception {
        try (val c = this.dataSource.getConnection()) {
            try (val s = c.createStatement()) {
                c.setAutoCommit(true);
                s.execute("delete from caspgusers;");
            }
        }
    }
This is postgres tests for {@link QueryDatabaseAuthenticationHandler}.

@author Misagh Moayyed
@since 6.0.0
support/cas-server-support-jdbc-authentication/src/test/java/org/apereo/cas/jdbc/QueryDatabaseAuthenticationHandlerPostgresTests.java