public static void Validate <R>(ISupportSnapshot <R> testClass,
string testName,
Func <R[], KanbanContext, object> testFunction,
[System.Runtime.CompilerServices.CallerMemberName] string member = "")
{
using (var context = ArdaTestMgr.GetTransactionContext())
{
var before = testClass.GetSnapshot(context).ToArray();
string beforeText = SerializeObject(before);
var returnObject = testFunction(before, context);
string returnObjectText = SerializeObject(returnObject);
string result = $"BEFORE:\n=======\n{beforeText}\n\nCOMMAND: {testName}\n\nAFTER:\n======\n{returnObjectText}";
CompareResults(result, member);
}
}