def check_implicit_initialization(self, extract_randomness):
        """
        The PRNG in new processes should be implicitly initialized
        with system entropy, to avoid reproducing the same sequences.
        """
        results = self.extract_in_processes(2, extract_randomness)

        # All processes gave a different, valid random sequence
        self.check_several_outputs(results, same_expected=False)

        The PRNG in new processes should be implicitly initialized
        with system entropy, to avoid reproducing the same sequences.
        
numba/tests/test_random.py