/// <summary>
/// Gets the Xml string representation of the ITestFilter instance.
/// </summary>
/// <param name="filter">The test filter to get the Xml string of.</param>
/// <param name="withOuterTags">If to add the outer filter tags to the xml string.</param>
/// <returns>The Xml string representation of the ITestFilter instance.</returns>
private static string GetXmlString(ITestFilter filter, bool withOuterTags = true)
{
string outerXml = filter.ToXml(true).OuterXml;
return(withOuterTags ? $"<filter>{outerXml}</filter>" : outerXml);
}
