test/intel: Timestamp intervals

Make sure timestamp intervals are not too short by introducing another
test which compares them one after another.

Signed-off-by: Antonio Caggiano <antonio.caggiano@collabora.com>
3 jobs for skip-short-records in 2 minutes and 44 seconds
latest
Status Job ID Name Coverage
  Check
passed #8193454
clang-format

00:00:43

 
  Build
passed #8193456
aarch64
aarch64

00:01:58

passed #8193455
kvm
x86_64

00:01:11