Update tests.

Bug: b/152192800
Change-Id: I4e57f0d2b049f0bce7459b29f7ffc3a2ca03534a
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/43309
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Ben Clayton <bclayton@google.com>