@Test
public void shouldProvideNamespacePrefix() throws Exception {

    assertThat(session.getNamespacePrefix("http://www.modeshape.org/1.0"), is("mode"));
    assertThat(session.getNamespacePrefix("http://www.jcp.org/jcr/1.0"), is("jcr"));
    assertThat(session.getNamespacePrefix("http://www.jcp.org/jcr/mix/1.0"), is("mix"));
    assertThat(session.getNamespacePrefix("http://www.jcp.org/jcr/nt/1.0"), is("nt"));
    assertThat(session.getNamespacePrefix("http://www.jcp.org/jcr/sv/1.0"), is("sv"));
    // assertThat(session.getNamespacePrefix("http://www.w3.org/XML/1998/namespace"), is("xml"));
}