Load on the autobuilder meant we see occasionaly timeout issues with these tests.
Slightly increase the test timeouts to better reflect the real world timings we
see.
[YOCTO #14262]
(From OE-Core rev: fccd2ade0e345625ed9a4b74a7431b000ce2214f)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>