@Test
public void testGetContext() {

    Configuration config = Configuration.current();
    DefaultConfigurationSnapshot snapshot = new DefaultConfigurationSnapshot(config,
            Arrays.asList("confkey1", "confkey2", "confkey3"));
    assertThat(snapshot.getContext().getPropertySources()).hasSize(config.getContext().getPropertySources().size());
    assertThat(snapshot.getContext().getPropertyConverters()).hasSize(config.getContext().getPropertyConverters().size());
    assertThat(snapshot.getContext().getPropertyFilters()).hasSize(config.getContext().getPropertyFilters().size());
}