public void TestCreateEquivalenceFromUnknownArguments_NullNode() {
var arg1 = new VariableDeclarationNode("arg1");
var mdn = new MethodDeclarationNode("MyMethod");
mdn.AddUnknownArguments(new VariableDeclarationNode[] { arg1 });
EquivalenceNode equiv = mdn.CreateEquivalenceFromUnknownArguments(null, new bool[] { true });
}