These tests are marked as known failures upstream as well [1]
if we delete them then we can drop dependency on mdadm for ptests which
can further reduce the dependency chain for ptest enabled minimal images
[1] 7519c3edab
(From OE-Core rev: 4f3b4b4f27924f9093dc6b4dd949cabe5cd2891b)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
83cad97561