public void TestGetString1()
{
// Arrange
string url = "http://a.com";
// Act
var value = _fakeHttp.GetString(url);
// Assert
Assert.True(value == url);
}
public void TestGetString2(string url)
{
// Act
var value = _fakeHttp.GetString(url);
// Assert (w/ message)
Assert.True(value == url, "value should be url");
}