def test_check_processes(self):
        r"""
        Testing if check processes works properly
        """
        class TestProcess:
            def __init__(self):
                self.value = None

            def poll(self):
                if self.value is None:
                    self.value = 0
                    return None
                #
                return self.value
        processes = [TestProcess()]
        RAM_in_use = [0.0]
        #
        BulkRun._check_processes(processes, RAM_in_use, retest_delay=0)
        #
        assert not processes
        assert not RAM_in_use