private static void AssertContainerContentsEqualTo(ReagentContainer container, ReagentMix expected)
{
container.Clean();
expected.Clean();
Assert.AreEqual(expected.Count(), container.Count());
foreach (var pair in expected)
{
var val = container[pair.Key];
Assert.IsTrue(val != null);
Assert.AreEqual(pair.Value, val, 0.00000001, $"Wrong amount of {pair.Key}.");
}
}