nction() {
    // Add a BattOr sample with an explicit clock sync.
    const battorLinesWithExplicitSync = BATTOR_LINES.slice();
    battorLinesWithExplicitSync.push(
        '2.500000 1.000000 4000.000000 <ABCDEF-01234-5678-0A1B2C3D>');

    const m = tr.c.TestUtils.newModelWithEvents(
        [CHROMIUM_EVENTS, battorLinesWithExplicitSync.join('\n')]);

    // Check to see if power samples were imported successfully.
    assert.isDefined(m.device.powerSeries);

    assert.strictEqual(m.device.powerSeries.s