Added 3 new end2end tests

Bug: angleproject:5202
Change-Id: I95f9ffd989105f5bd3283676d6fa46e904503369
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2488481Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>