pkg/archive: TestUntarParentPathPermissions requires root

=== RUN   TestUntarParentPathPermissions
    archive_unix_test.go:171: assertion failed: error is not nil: chown /tmp/TestUntarParentPathPermissions694189715/foo: operation not permitted

Signed-off-by: Shengjing Zhu <[email protected]>
Upstream-commit: f23c1c297d39d97e517667b5c676e58800132449
Component: engine

Author: zhsj

components/engine/pkg/archive/archive_unix_test.go

@@ -160,6 +160,7 @@ func TestTarWithHardLinkAndRebase(t *testing.T) {
 // TestUntarParentPathPermissions is a regression test to check that missing
 // parent directories are created with the expected permissions
 func TestUntarParentPathPermissions(t *testing.T) {
+	skip.If(t, os.Getuid() != 0, "skipping test that requires root")
 	buf := &bytes.Buffer{}
 	w := tar.NewWriter(buf)
 	err := w.WriteHeader(&tar.Header{Name: "foo/bar"})