Add a test to make sure that when a zassume fails, we mark the test
as failed and print an "Assumption failed" error for the test
Signed-off-by: Yuval Peress <peress@google.com>
Add specialized tests that execute another test indirectly and ensure
that the results report errors correctly. See the README.rst file
provided with this commit for details.
Signed-off-by: Yuval Peress <peress@google.com>