 io = new tr.importer.ImportOptions();
    io.showImportWarnings = false;
    m.importOptions = io;

    // 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>');

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

    assert.lengthOf(m.device.powerSeries.samples, 6);
    assert.strictEqual(m.device.po