It depends on the objective. You can test stuff like is there any set of navigations that results in an exception in the backend. This is what Sapienz from fac

It depends on the objective. You can test stuff like is there any set of navigations that results in an exception in the backend. This is what Sapienz from facebook did, it fuzzed their mobile applications to find paths that caused errors and it would try to find the shortest sequence of actions that reproduces the issue. https://engineering.fb.com/2018/05/02/developer-tools/sapienz-intelligent-automated-software-testing-at-scale/ https://engineering.fb.com/2018/05/02/developer-tools/sapien... http://www0.cs.ucl.ac.uk/staff/k.mao/archive/p_issta16_sapienz.pdf http://www0.cs.ucl.ac.uk/staff/k.mao/archive/p_issta16_sapie...