async seePlaybackSpeed(value) {
    this.toggleSettingsMenu();

    I.seeInField(this._playbackSpeedInputSelector, value);
    I.seeInField(this._playbackSpeedSliderSelector, value);

    const playbackSpeed = await I.grabAttributeFrom(this._audioElementSelector, "playbackRate");

    assert.equal(playbackSpeed, value, "Playback speed doesn't match in audio element");

    this.toggleSettingsMenu();
  }
Asserts the current playback speed of the audio player the slider, input and the audio player.
@param {number} value - speed in the range [0.5, 2.5]
@returns {Promise<void>}

@example
await AtAudioView.seePlaybackSpeed(1.5);