Revert "tests: Temporarily disable veritysetup tasklet option test."
This reverts commit 0e44494a.
Kernel fix is in mainline and on the way to stable kernels. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/md?id=2a695062a5a42aead8c539a344168d4806b3fda2