} else if tt.expectedErr.Error() != err.Error() {
			t.Fatalf("Case %d error: expected = %v, got = %v", i, tt.expectedErr, err)
		}
	}
}

func TestGetObjectRetentionMeta(t *testing.T) {
	tests := []struct {
		metadata map[string]string
		expected ObjectRetention
	}{
		{
			metadata: map[string]string{
				"Authorization":        "AWS4-HMAC-SHA256 <cred_string>",