public void TestCoords()
{
var actual = _reader.Properties;
Assert.That(actual.ContainsKey("x"));
Assert.AreEqual("42", actual["x"]);
Assert.That(actual.ContainsKey("y"));
Assert.AreEqual("13", actual["y"]);
Assert.That(actual.ContainsKey("x"));
Assert.AreEqual("42", actual["x"]);
Assert.That(actual.ContainsKey("Push Button"));
Assert.AreEqual("Receive Bacon", actual["Push Button"]);
Assert.That(!actual.ContainsKey("missing"));
Assert.AreEqual("HelloWorld", actual["missing"]);
}