On slow systems we have seen this take 9 seconds. Increased the
allowance from 3 seconds to 10 seconds to reduce the probabilty of
a false negative from the system test.
(cherry picked from commit
4db847e80e796c43d80a23e1613c246a3586ceac)
die "missing notbefore time" unless $notbefore;
die "missing inception time" unless $inception;
my $delta = $inception - $notbefore;
-die "bad inception time $delta" unless abs($delta - $target) <= 3;
+die "bad inception time $delta" unless abs($delta - $target) <= 10;