@Test
  public void testInitialAttributes() {
    assertContainsAll(
        file,
        ImmutableMap.of(
            "group", createGroupPrincipal("group"),
            "permissions", PosixFilePermissions.fromString("rw-r--r--")));
  }
Tests for {@link PosixAttributeProvider}.

@author Colin Decker
jimfs/src/test/java/com/google/common/jimfs/PosixAttributeProviderTest.java