public void Method_multiply_returns__of_given_values1()
{
// arrange
var math = new Mathematics();
// act
var result = math.Multiply(100, -20);
// assert
Assert.Equal(-2000, result);
}
public void Method_add_returns_mult_of_given_values()
{
// arrange
var math = new Mathematics();
// act
double result = math.Multiply(10, 5);
// assert
Assert.Equal(50, result);
}
