modControl = 1 << 1;
    const modShift = 1 << 2;
    const modWordJump = modAlt | modControl;  // macOS uses Mod_Alt, we should probably select just one modifier here.

    println('--- Left/Right key should not modify a selection on uneditable contents ---');
    internals.sendKey(divElm, 'Right');
    reportSelection();
    internals.sendKey(divElm, 'Left');
    reportSelection();

    println('--- Neither should WordJump + Left/Right ---');
    internals.sendKey(divElm, 'Right', modWordJump);
    report