test: Simplify avocado/timeoutlib.py tests
test: Simplify avocado/timeoutlib.py tests

Drop the unnecessary generic `Exception` handlers. They do exactly the
same as Python's default unhandled exception handler, but convert
everything to `AssertionError`.

martinpitt/cockpit,moraleslazaro/cockpit,garrett/cockpit,SotolitoLabs/cockpit,mareklibra/cockpit,cockpituous/cockpit,andreasn/cockpit,andreasn/cockpit,deryni/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,SotolitoLabs/cockpit,SotolitoLabs/cockpit,garrett/cockpit,cockpit-project/cockpit,deryni/cockpit,cockpit-project/cockpit,mareklibra/cockpit,martinpitt/cockpit,SotolitoLabs/cockpit,cockpituous/cockpit,deryni/cockpit,garrett/cockpit,cockpit-project/cockpit,SotolitoLabs/cockpit,deryni/cockpit,cockpituous/cockpit,mareklibra/cockpit,deryni/cockpit,andreasn/cockpit,garrett/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,andreasn/cockpit,martinpitt/cockpit,mareklibra/cockpit,mvollmer/cockpit,mvollmer/cockpit,mvollmer/cockpit,cockpituous/cockpit,garrett/cockpit,andreasn/cockpit,mareklibra/cockpit,mvollmer/cockpit,martinpitt/cockpit,mareklibra/cockpit,SotolitoLabs/cockpit,andreasn/cockpit,andreasn/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,SotolitoLabs/cockpit,deryni/cockpit,deryni/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,mareklibra/cockpit,moraleslazaro/cockpit