Fix broken test RecoverySnapshotStorageTest

import android.support.test.filters.SmallTest;

import android.support.test.runner.AndroidJUnit4;

import com.android.server.locksettings.recoverablekeystore.TestData;

import org.junit.Test;

import org.junit.runner.RunWith;

import java.security.cert.CertificateException;

import java.util.ArrayList;

@SmallTest

@RunWith(AndroidJUnit4.class)

public class RecoverySnapshotStorageTest {

    private static final KeyChainSnapshot MINIMAL_KEYCHAIN_SNAPSHOT = new KeyChainSnapshot.Builder()

            .setCounterId(1)

            .setSnapshotVersion(1)

            .setServerParams(new byte[0])

            .setMaxAttempts(10)

            .setEncryptedRecoveryKeyBlob(new byte[0])

            .setKeyChainProtectionParams(new ArrayList<>())

            .setWrappedApplicationKeys(new ArrayList<>())

            .build();

    private static final KeyChainSnapshot MINIMAL_KEYCHAIN_SNAPSHOT =

            createMinimalKeyChainSnapshot();

    private final RecoverySnapshotStorage mRecoverySnapshotStorage = new RecoverySnapshotStorage();

        assertNull(mRecoverySnapshotStorage.get(1000));

    }

    private static KeyChainSnapshot createMinimalKeyChainSnapshot() {

        try {

            return new KeyChainSnapshot.Builder()

                    .setCounterId(1)

                    .setSnapshotVersion(1)

                    .setServerParams(new byte[0])

                    .setMaxAttempts(10)

                    .setEncryptedRecoveryKeyBlob(new byte[0])

                    .setKeyChainProtectionParams(new ArrayList<>())

                    .setWrappedApplicationKeys(new ArrayList<>())

                    .setTrustedHardwareCertPath(TestData.CERT_PATH_1)

                    .build();

        } catch (CertificateException e) {

            throw new RuntimeException(e);

        }

    }

}