public void GetAverageProcessTimeInMilliseconds_ReturnsAverageOfTimesFromRepository()
{
var expectedTimes = new[] { 5, 18, 2, 25 };
var expectedAverageTime = (int)expectedTimes.Average();
var jobs = expectedTimes.Select(t => new Job {
ElapsedMilliseconds = t
});
_mockJobRepository.Setup(j => j.GetAll()).Returns(jobs);
var actualAverage = _classUnderTest.GetAverageProcessTimeInMilliseconds();
Assert.That(actualAverage, Is.EqualTo(expectedAverageTime));
}