ENDDETAILS;
$expectedOutput = <<<ENDOUTPUT
-"Activity Type","Subject","Activity Details"\r
+\xEF\xBB\xBF"Activity Type","Subject","Activity Details"\r
"Meeting","Meeting with the apostrophe's and that person who does ""air quotes"". Some non-ascii characters: дè","Here's some typical data from an activity details field.
дè some non-ascii and html styling and these ̋“weird” quotes’s.