res, err := LoadFiles(tc.group)
testutil.AssertEqual(t, "res", res, tc.exp)
testutil.AssertErrorEqual(t, "err", err, tc.expErr)
res, err := LoadFiles(tc.group)
testutil.AssertEqual(t, "res", res, tc.exp)
testutil.AssertErrorEqual(t, "err", err, tc.expErr)