pan class="identifier">Testing</span> <span class="identifier">initialization</span> <span class="special">:</span>
<span class="identifier">Current</span> <span class="identifier">time</span><span class="special">:</span><span class="number">0</span>
<span class="identifier">Testing</span> <span class="identifier">update</span> <span class="special">:</span>
<span class="identifier">Update</span> <span class="identifier">Volume</span> <span class="identifier">with</span> <span class="number">100</span>

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