@Test
public void readFileTest(){
    BufferedReader bufferedReader = null;
    try {
        InputStream in = getInstrumentation().getContext().getResources().getAssets().open("test1.csv");

        bufferedReader = new BufferedReader(new InputStreamReader(in, "UTF-8"));
        String line = bufferedReader.readLine();



    } catch (IOException e) {
        fail("IOException on file");
    }

}

@Test(timeout = 100)
public void openValidFileOnDevice() {
    MyComponent component = new MyComponent();

    FileObserver fileObserver = new FileObserver(VALID_FILE) {
        @Override
        public void onEvent(int i, String s) {
            assertTrue(true);
        }
    };

    try {
        component.open(VALID_FILE, CSVReaderWriter.Mode.READ);

    } catch (FileNotFoundException e) {
        fail("FileNotFoundException on: " + VALID_FILE);
    } catch (IOException e) {
        fail("IOException on: " + VALID_FILE);
    } catch (Exception e) {
        fail("Exception thrown, should not throw exceptions on valid file");
    }
}