public void CanExp() =>
//Assert
Assert.Equal("27", Operation.ExecuteOperation("Exp", 3, 3));
public void CanMultiply() =>
//Assert
Assert.Equal("6", Operation.ExecuteOperation("Multiply", 2, 3));
public void CanCompare() =>
//Assert
Assert.Equal("0", Operation.ExecuteOperation("Compare", 3, 3));
public void CanAdd() =>
//Assert
Assert.Equal("5", Operation.ExecuteOperation("Add", 2, 3));
