PersistenceMigrationsSample/app/src/androidTestRoom2/java/com/example/android/persistence/migrations/MigrationTest.java [51:79]:
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            new Date(System.currentTimeMillis()));

    // Helper for creating Room databases and migrations
    @Rule
    public MigrationTestHelper mMigrationTestHelper =
            new MigrationTestHelper(InstrumentationRegistry.getInstrumentation(),
                    UsersDatabase.class.getCanonicalName(),
                    new FrameworkSQLiteOpenHelperFactory());

    // Helper for creating SQLite database in version 1
    private SqliteTestDbOpenHelper mSqliteTestDbHelper;

    @Before
    public void setUp() throws Exception {
        // To test migrations from version 1 of the database, we need to create the database
        // with version 1 using SQLite API
        mSqliteTestDbHelper = new SqliteTestDbOpenHelper(ApplicationProvider.getApplicationContext(),
                TEST_DB_NAME);
        // We're creating the table for every test, to ensure that the table is in the correct state
        SqliteDatabaseTestHelper.createTable(mSqliteTestDbHelper);
    }

    @After
    public void tearDown() throws Exception {
        // Clear the database after every test
        SqliteDatabaseTestHelper.clearDatabase(mSqliteTestDbHelper);
    }

    @Test
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PersistenceMigrationsSample/app/src/androidTestRoom3/java/com/example/android/persistence/migrations/MigrationTest.java [54:82]:
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            new Date(System.currentTimeMillis()));

    // Helper for creating Room databases and migrations
    @Rule
    public MigrationTestHelper mMigrationTestHelper =
            new MigrationTestHelper(InstrumentationRegistry.getInstrumentation(),
                    UsersDatabase.class.getCanonicalName(),
                    new FrameworkSQLiteOpenHelperFactory());

    // Helper for creating SQLite database in version 1
    private SqliteTestDbOpenHelper mSqliteTestDbHelper;

    @Before
    public void setUp() throws Exception {
        // To test migrations from version 1 of the database, we need to create the database
        // with version 1 using SQLite API
        mSqliteTestDbHelper = new SqliteTestDbOpenHelper(ApplicationProvider.getApplicationContext(),
                TEST_DB_NAME);
        // We're creating the table for every test, to ensure that the table is in the correct state
        SqliteDatabaseTestHelper.createTable(mSqliteTestDbHelper);
    }

    @After
    public void tearDown() throws Exception {
        // Clear the database after every test
        SqliteDatabaseTestHelper.clearDatabase(mSqliteTestDbHelper);
    }

    @Test
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