public void WhenFileHasHeader_ThenReturnHeader()
{
var fileInfo = FileTestBuilder.InFileSystem
.WithFilePath(Path.Combine(WorkingDir, "Test1.csv"))
.WithText(CsvHeader)
.Build();
var result = _sut.ReadHeader(fileInfo.FullName);
Assert.That(result.Values, Is.EquivalentTo(CsvHeader.Split(',')));
}