public void GivenValidLocationHeader_WhenAddLocationHeader_ThenShouldAddExpectedHeader(string actual, string expected)
{
var response = new DefaultHttpContext().Response;
var uri = new Uri(actual, UriKind.RelativeOrAbsolute);
Assert.False(response.Headers.ContainsKey(HeaderNames.Location));
response.AddLocationHeader(uri);
Assert.True(response.Headers.TryGetValue(HeaderNames.Location, out StringValues headerValue));
Assert.Single(headerValue);
Assert.Equal(expected, headerValue[0]); // Should continue to be escaped!
}