public void GivenPath_AndContentExists_WhenReadAllText_ThenFileContentsReturned()
{
// Arrange
var id = Guid.NewGuid().ToString();
var path = $"{id}.txt";
var contents = id;
File.WriteAllText(
path,
contents);
_tempFiles.Add(path);
var sut = new FileIOService();
// Act
var result = sut.ReadAllText(path);
// Assert
Assert.Equal(contents, result);
}