public async Task Evaluate_3V1L_Theory(double one, double two, double three, double expected)
{
var op = new Subtract()
{
Variables = new List <Variable>()
{
one,
two,
three
}
};
var subProvider = new DictionarySubstitutionProvider(new Dictionary <string, double>()
{
{ "__unspecified__", 1 }
});
var result = await op.Evaluate(subProvider);
Assert.Equal(expected, result);
}