Early fragment test optimization has to be disabled if alpha to coverage is enabled. This test that the intersection between alpha to coverage test and early fragment test optimization. Bug: angleproject:5082 Change-Id: I628efc2fae7c998467e1daff4167f16fe0c28142 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2422899 Commit-Queue: Charlie Lao <cclao@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
