package com.tngtech.jgiven.impl;

import com.google.common.base.Stopwatch;
import java.util.concurrent.TimeUnit;

public class Timer {
  Stopwatch timer;

  public Timer() {
    this.timer = Stopwatch.createStarted();
  }

  public void reset() {
   this.timer.reset();
   assert (this.timer.isRunning());
  }

  public long stop() {
    timer.stop();
    return timer.elapsed(TimeUnit.MILLISECONDS);
  }
}

@@ -267,44 +267,8 @@
 ();%0A
-   assert (this.timer.isRunning());%0A
   %7D%0A

Remove assert from method