More robustness tests Similar test to what was introduced in https://chromium-review.googlesource.com/c/angle/angle/+/3943534, but for vertex and compute shaders. Bug: angleproject:7629 Change-Id: I743233136125358edb6a15760b1ece63c36d3f85 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3949915 Auto-Submit: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Amirali Abdolrashidi <abdolrashidi@google.com> Commit-Queue: Amirali Abdolrashidi <abdolrashidi@google.com>