Add more XMLHttpRequest overrideMimeType() tests#8449

Merged

annevk merged 4 commits intomasterfrom annevk/xhr-overridemimetype

Apr 17, 2018

+89-49

Commits on Apr 10, 2018

Commits on Apr 16, 2018

replace last two tests with using the JSON resource
annevk
committed

Commits on Apr 17, 2018

minor tweaks
annevk
committed