public void WhenProvidingAFieldShouldReturnTheFormat()
{
const string Intfield = "{IntField}";
const int TestInt = 15;
FormatableObject formatableObject = new FormatableObject
{
IntField = 15
};
string str = formatableObject.ToString(Intfield);
str.Should().Be(TestInt.ToString(), "because because the provided string had no property declared");
}