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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def step_impl11(context, runs):
 """Execute multiple runs. :param runs: number of test runs to perform. :param context: test context. """

    executor = context.fuzz_executor
    executor.run_test(runs)
    stats = executor.stats
    count = stats.cumulated_counts()
    assert count == runs, "VERIFY: stats available."