wm.getPrefixSourceFor(getRepositoryRegistry().getRepositoryWithFacet(GROUP2_REPO_ID,
MavenRepository.class));
assertThat("Group2 should have WL", groupPrefixSource.supported());
final List<String> groupEntries = groupPrefixSource.readEntries();
assertThat(groupEntries, hasSize(4));
assertThat(groupEntries, hasItem("/org/apache"));
assertThat(groupEntries, hasItem("/org/sonatype"));
assertThat(groupEntries, hasItem("/com/sonatype"));
assertThat(groupEntries, hasItem("/eu/flatwhite"));