static void TestWithHardCreatedString()
{
var inputString = "hello";
var sut = new StringUnits();
var result = sut.MakeUpper(inputString);
Assert.Equal("HELLO", result);
}
public void TestWithAutogeneratedString()
{
var fixture = new Fixture();
var inputString = fixture.Create <string>("sarah");
var sut = new StringUnits();
var result = sut.MakeUpper(inputString);
Assert.Equal(inputString.ToUpper(), result);
}