diff --git a/marl_factory_grid/algorithms/marl/base_ac.py b/marl_factory_grid/algorithms/marl/base_ac.py
index ef195b7..8b64262 100644
--- a/marl_factory_grid/algorithms/marl/base_ac.py
+++ b/marl_factory_grid/algorithms/marl/base_ac.py
@@ -174,7 +174,7 @@ class BaseActorCritic:
                                     hidden_critic=out.get(nms.HIDDEN_CRITIC, None)
                                     )
                 eps_rew += torch.tensor(reward)
-            results.append(eps_rew.tolist() + [np.sum(eps_rew).item()] + [episode])
+            results.append(eps_rew.tolist() + [sum(eps_rew).item()] + [episode])
             episode += 1
         agent_columns = [f'agent#{i}' for i in range(self.cfg['environment']['n_agents'])]
         results = pd.DataFrame(results, columns=agent_columns + ['sum', 'episode'])
diff --git a/marl_factory_grid/environment/actions.py b/marl_factory_grid/environment/actions.py
index 606832c..94cbef1 100644
--- a/marl_factory_grid/environment/actions.py
+++ b/marl_factory_grid/environment/actions.py
@@ -18,6 +18,7 @@ class Action(abc.ABC):
 
     @abc.abstractmethod
     def do(self, entity, state) -> Union[None, ActionResult]:
+        print()
         return
 
     def __repr__(self):
diff --git a/marl_factory_grid/environment/entity/object.py b/marl_factory_grid/environment/entity/object.py
index e8c69da..1b5190d 100644
--- a/marl_factory_grid/environment/entity/object.py
+++ b/marl_factory_grid/environment/entity/object.py
@@ -41,7 +41,7 @@ class Object:
 
     def __init__(self, str_ident: Union[str, None] = None, **kwargs):
         self._bound_entity = None
-        self._observers = []
+        self._observers = set()
         self._str_ident = str_ident
         self.u_int = self._identify_and_count_up()
         self._collection = None
@@ -75,7 +75,7 @@ class Object:
         self._collection = collection
 
     def add_observer(self, observer):
-        self.observers.append(observer)
+        self.observers.add(observer)
         observer.notify_add_entity(self)
 
     def del_observer(self, observer):
diff --git a/marl_factory_grid/environment/factory.py b/marl_factory_grid/environment/factory.py
index 6662581..f37ce3a 100644
--- a/marl_factory_grid/environment/factory.py
+++ b/marl_factory_grid/environment/factory.py
@@ -69,23 +69,6 @@ class Factory(gym.Env):
         # expensive - don't use; unless required !
         self._renderer = None
 
-        # reset env to initial state, preparing env for new episode.
-        # returns tuple where the first dict contains initial observation for each agent in the env
-        self.reset()
-
-    def __getitem__(self, item):
-        return self.state.entities[item]
-
-    def reset(self) -> (dict, dict):
-        if self.state is not None:
-            for entity_group in self.state.entities:
-                try:
-                    entity_group[0].reset_uid()
-                except (AttributeError, TypeError):
-                    pass
-
-        self.state = None
-
         # Init entities
         entities = self.map.do_init()
 
@@ -101,7 +84,6 @@ class Factory(gym.Env):
         self.state = Gamestate(entities, parsed_agents_conf, env_rules, env_tests, self.map.level_shape,
                                self.conf.env_seed, self.conf.verbose)
 
-        # All is set up, trigger entity init with variable pos
         # All is set up, trigger additional init (after agent entity spawn etc)
         self.state.rules.do_all_init(self.state, self.map)
 
@@ -110,6 +92,17 @@ class Factory(gym.Env):
         # Build initial observations for all agents
         # noinspection PyAttributeOutsideInit
         self.obs_builder = OBSBuilder(self.map.level_shape, self.state, self.map.pomdp_r)
+
+    def __getitem__(self, item):
+        return self.state.entities[item]
+
+    def reset(self) -> (dict, dict):
+        self.state.entities.reset()
+
+        # All is set up, trigger entity spawn with variable pos
+        self.state.rules.do_all_reset(self.state)
+
+        # Build initial observations for all agents
         return self.obs_builder.refresh_and_build_for_all(self.state)
 
     def manual_step_init(self) -> List[Result]:
diff --git a/marl_factory_grid/environment/groups/collection.py b/marl_factory_grid/environment/groups/collection.py
index c0f0f6b..c7c9f4c 100644
--- a/marl_factory_grid/environment/groups/collection.py
+++ b/marl_factory_grid/environment/groups/collection.py
@@ -2,7 +2,6 @@ from typing import List, Tuple, Union, Dict
 
 from marl_factory_grid.environment.entity.entity import Entity
 from marl_factory_grid.environment.groups.objects import Objects
-# noinspection PyProtectedMember
 from marl_factory_grid.environment.entity.object import Object
 import marl_factory_grid.environment.constants as c
 from marl_factory_grid.utils.results import Result
diff --git a/marl_factory_grid/environment/groups/global_entities.py b/marl_factory_grid/environment/groups/global_entities.py
index 37779f9..601ce4d 100644
--- a/marl_factory_grid/environment/groups/global_entities.py
+++ b/marl_factory_grid/environment/groups/global_entities.py
@@ -31,9 +31,12 @@ class Entities(Objects):
 
     def __init__(self, floor_positions):
         self._floor_positions = floor_positions
-        self.pos_dict = defaultdict(list)
+        self.pos_dict = None
         super().__init__()
 
+    def __repr__(self):
+        return f'{self.__class__.__name__}{[x for x in self]}'
+
     def guests_that_can_collide(self, pos):
         return [x for val in self.pos_dict[pos] for x in val if x.var_can_collide]
 
@@ -108,3 +111,12 @@ class Entities(Objects):
 
     def is_occupied(self, pos):
         return len([x for x in self.pos_dict[pos] if x.var_can_collide or x.var_is_blocking_pos]) >= 1
+
+    def reset(self):
+        self._observers = set(self)
+        self.pos_dict = defaultdict(list)
+        for entity_group in self:
+            entity_group.reset()
+
+            if hasattr(entity_group, "var_has_position") and entity_group.var_has_position:
+                entity_group.add_observer(self)
diff --git a/marl_factory_grid/environment/groups/objects.py b/marl_factory_grid/environment/groups/objects.py
index 9229787..23e91ab 100644
--- a/marl_factory_grid/environment/groups/objects.py
+++ b/marl_factory_grid/environment/groups/objects.py
@@ -44,7 +44,7 @@ class Objects:
 
     def __init__(self, *args, **kwargs):
         self._data = defaultdict(lambda: None)
-        self._observers = [self]
+        self._observers = set(self)
         self.pos_dict = defaultdict(list)
 
     def __len__(self):
@@ -59,6 +59,8 @@ class Objects:
         assert self._data[item.name] is None, f'{item.name} allready exists!!!'
         self._data.update({item.name: item})
         item.set_collection(self)
+        if hasattr(self, "var_has_position") and self.var_has_position:
+            item.add_observer(self)
         for observer in self.observers:
             observer.notify_add_entity(item)
         return self
@@ -82,10 +84,9 @@ class Objects:
 
     # noinspection PyUnresolvedReferences
     def add_observer(self, observer):
-        self.observers.append(observer)
+        self.observers.add(observer)
         for entity in self:
-            if observer not in entity.observers:
-                entity.add_observer(observer)
+            entity.add_observer(observer)
 
     def add_items(self, items: List[_entity]):
         for item in items:
@@ -127,8 +128,7 @@ class Objects:
             raise TypeError
 
     def __repr__(self):
-        repr_dict = {key: val for key, val in self._data.items() if key not in [c.WALLS]}
-        return f'{self.__class__.__name__}[{repr_dict}]'
+        return f'{self.__class__.__name__}[{len(self)}]'
 
     def notify_del_entity(self, entity: Object):
         try:
@@ -163,3 +163,9 @@ class Objects:
             return h.get_first_index(self, filter_by=lambda x: x.belongs_to_entity(entity))
         except (StopIteration, AttributeError):
             return None
+
+    def reset(self):
+        self._data = defaultdict(lambda: None)
+        self._observers = set(self)
+        self.pos_dict = defaultdict(list)
+
diff --git a/marl_factory_grid/environment/groups/walls.py b/marl_factory_grid/environment/groups/walls.py
index 776bbca..c03f724 100644
--- a/marl_factory_grid/environment/groups/walls.py
+++ b/marl_factory_grid/environment/groups/walls.py
@@ -23,3 +23,7 @@ class Walls(Collection):
             return super().by_pos(pos)[0]
         except IndexError:
             return None
+
+    def reset(self):
+        pass
+
diff --git a/marl_factory_grid/environment/rules.py b/marl_factory_grid/environment/rules.py
index f5b6836..5884cac 100644
--- a/marl_factory_grid/environment/rules.py
+++ b/marl_factory_grid/environment/rules.py
@@ -23,7 +23,7 @@ class Rule(abc.ABC):
     def on_init(self, state, lvl_map):
         return []
 
-    def on_reset(self):
+    def on_reset(self, state) -> List[TickResult]:
         return []
 
     def tick_pre_step(self, state) -> List[TickResult]:
@@ -55,7 +55,7 @@ class SpawnEntity(Rule):
         self.collection = collection
         self.ignore_blocking = ignore_blocking
 
-    def on_init(self, state, lvl_map) -> [TickResult]:
+    def on_reset(self, state) -> [TickResult]:
         results = self.collection.trigger_spawn(state, ignore_blocking=self.ignore_blocking)
         pos_str = f' on: {[x.pos for x in self.collection]}' if self.collection.var_has_position else ''
         state.print(f'Initial {self.collection.__class__.__name__} were spawned{pos_str}')
@@ -68,8 +68,7 @@ class SpawnAgents(Rule):
         super().__init__()
         pass
 
-    def on_init(self, state, lvl_map):
-        # agents = Agents(lvl_map.size)
+    def on_reset(self, state):
         agents = state[c.AGENT]
         empty_positions = state.entities.empty_positions[:len(state.agents_conf)]
         for agent_name, agent_conf in state.agents_conf.items():
@@ -101,9 +100,6 @@ class DoneAtMaxStepsReached(Rule):
         super().__init__()
         self.max_steps = max_steps
 
-    def on_init(self, state, lvl_map):
-        pass
-
     def on_check_done(self, state):
         if self.max_steps <= state.curr_step:
             return [DoneResult(validity=c.VALID, identifier=self.name)]
@@ -115,7 +111,7 @@ class AssignGlobalPositions(Rule):
     def __init__(self):
         super().__init__()
 
-    def on_init(self, state, lvl_map):
+    def on_reset(self, state, lvl_map):
         from marl_factory_grid.environment.entity.util import GlobalPosition
         for agent in state[c.AGENT]:
             gp = GlobalPosition(agent, lvl_map.level_shape)
diff --git a/marl_factory_grid/modules/batteries/rules.py b/marl_factory_grid/modules/batteries/rules.py
index 8a4725b..7314c93 100644
--- a/marl_factory_grid/modules/batteries/rules.py
+++ b/marl_factory_grid/modules/batteries/rules.py
@@ -127,30 +127,3 @@ class DoneAtBatteryDischarge(BatteryDecharge):
             return [DoneResult(self.name, validity=c.VALID, reward=self.reward_discharge_done)]
         else:
             return [DoneResult(self.name, validity=c.NOT_VALID)]
-
-
-class SpawnChargePods(Rule):
-
-    def __init__(self, n_pods: int, charge_rate: float = 0.4, multi_charge: bool = False):
-        """
-        Spawn Chargepods in accordance to the given parameters.
-
-        :type n_pods: int
-        :param n_pods: How many charge pods are there?
-        :type charge_rate: float
-        :param charge_rate: How much juice does each use of the charge action top up?
-        :type multi_charge: bool
-        :param multi_charge: Whether multiple agents are able to charge at the same time.
-        """
-        super().__init__()
-        self.multi_charge = multi_charge
-        self.charge_rate = charge_rate
-        self.n_pods = n_pods
-
-    def on_init(self, state, lvl_map):
-        pod_collection = state[b.CHARGE_PODS]
-        empty_positions = state.entities.empty_positions
-        pods = pod_collection.from_coordinates(empty_positions, entity_kwargs=dict(
-            multi_charge=self.multi_charge, charge_rate=self.charge_rate)
-                                               )
-        pod_collection.add_items(pods)
diff --git a/marl_factory_grid/modules/clean_up/groups.py b/marl_factory_grid/modules/clean_up/groups.py
index 7ae3247..83a9f02 100644
--- a/marl_factory_grid/modules/clean_up/groups.py
+++ b/marl_factory_grid/modules/clean_up/groups.py
@@ -34,7 +34,12 @@ class DirtPiles(Collection):
         self.coords_or_quantity = coords_or_quantity
         self.initial_amount = initial_amount
 
-    def trigger_spawn(self, state, coords_or_quantity=0, amount=0) -> [Result]:
+    def trigger_spawn(self, state, coords_or_quantity=0, amount=0, ignore_blocking=False) -> [Result]:
+        if ignore_blocking:
+            print("##########################################")
+            print("Blocking should not be ignored for this Entity")
+            print("Exiting....")
+            exit()
         coords_or_quantity = coords_or_quantity if coords_or_quantity else self.coords_or_quantity
         n_new = int(abs(coords_or_quantity + (state.rng.uniform(-self.n_var, self.n_var))))
         n_new = state.get_n_random_free_positions(n_new)
diff --git a/marl_factory_grid/modules/destinations/rules.py b/marl_factory_grid/modules/destinations/rules.py
index 8e72141..ef004c3 100644
--- a/marl_factory_grid/modules/destinations/rules.py
+++ b/marl_factory_grid/modules/destinations/rules.py
@@ -106,7 +106,7 @@ class SpawnDestinationsPerAgent(Rule):
         super(Rule, self).__init__()
         self.per_agent_positions = {key: [ast.literal_eval(x) for x in val] for key, val in coords_or_quantity.items()}
 
-    def on_init(self, state, lvl_map):
+    def on_reset(self, state, lvl_map):
         for (agent_name, position_list) in self.per_agent_positions.items():
             agent = h.get_first(state[c.AGENT], lambda x: agent_name in x.name)
             assert agent
diff --git a/marl_factory_grid/modules/doors/actions.py b/marl_factory_grid/modules/doors/actions.py
index c7d06ed..a8c7c14 100644
--- a/marl_factory_grid/modules/doors/actions.py
+++ b/marl_factory_grid/modules/doors/actions.py
@@ -15,7 +15,7 @@ class DoorUse(Action):
         # Check if agent really is standing on a door:
         e = state.entities.get_entities_near_pos(entity.pos)
         try:
-            # Only one door opens TODO introcude loop
+            # Only one door opens TODO introduce loop
             door = next(x for x in e if x.name.startswith(d.DOOR))
             valid = door.use()
             state.print(f'{entity.name} just used a {door.name} at {door.pos}')
diff --git a/marl_factory_grid/modules/doors/entitites.py b/marl_factory_grid/modules/doors/entitites.py
index 1c33d7b..4a84628 100644
--- a/marl_factory_grid/modules/doors/entitites.py
+++ b/marl_factory_grid/modules/doors/entitites.py
@@ -117,3 +117,7 @@ class Door(Entity):
     def _reset_timer(self):
         self._time_to_close = self._auto_close_interval
         return True
+
+    def reset(self):
+        self._close()
+        self._reset_timer()
diff --git a/marl_factory_grid/modules/doors/groups.py b/marl_factory_grid/modules/doors/groups.py
index 973d1ab..0e83881 100644
--- a/marl_factory_grid/modules/doors/groups.py
+++ b/marl_factory_grid/modules/doors/groups.py
@@ -23,3 +23,7 @@ class Doors(Collection):
                 results.append(tick_result)
         # TODO: Should return a Result object, not a random dict.
         return results
+
+    def reset(self):
+        for door in self:
+            door.reset()
diff --git a/marl_factory_grid/modules/doors/rules.py b/marl_factory_grid/modules/doors/rules.py
index 599d975..4b24470 100644
--- a/marl_factory_grid/modules/doors/rules.py
+++ b/marl_factory_grid/modules/doors/rules.py
@@ -40,6 +40,6 @@ class IndicateDoorAreaInObservation(Rule):
         #  Could then be combined with the "Combine"-approach.
         super().__init__()
 
-    def on_init(self, state, lvl_map):
+    def on_reset(self, state, lvl_map):
         for door in state[d.DOORS]:
             state[d.DOORS].add_items([DoorIndicator(x) for x in state.entities.neighboring_positions(door.pos)])
diff --git a/marl_factory_grid/modules/factory/__init__.py b/marl_factory_grid/modules/factory/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/marl_factory_grid/modules/factory/rules.py b/marl_factory_grid/modules/factory/rules.py
deleted file mode 100644
index e056135..0000000
--- a/marl_factory_grid/modules/factory/rules.py
+++ /dev/null
@@ -1,32 +0,0 @@
-import random
-from typing import List
-
-from marl_factory_grid.environment import constants as c
-from marl_factory_grid.environment.rules import Rule
-from marl_factory_grid.utils.results import TickResult
-
-
-class AgentSingleZonePlacementBeta(Rule):
-
-    def __init__(self):
-        raise NotImplementedError()
-        # TODO!!!! Is this concept needed any more?
-        super().__init__()
-
-    def on_init(self, state, lvl_map):
-        agents = state[c.AGENT]
-        if len(self.coordinates) == len(agents):
-            coordinates = self.coordinates
-        elif len(self.coordinates) > len(agents):
-            coordinates = random.choices(self.coordinates, k=len(agents))
-        else:
-            raise ValueError
-
-        for agent, pos in zip(agents, coordinates):
-            agent.move(pos, state)
-
-    def tick_step(self, state):
-        return []
-
-    def tick_post_step(self, state) -> List[TickResult]:
-        return []
diff --git a/marl_factory_grid/modules/maintenance/entities.py b/marl_factory_grid/modules/maintenance/entities.py
index 1a043c8..479e4c8 100644
--- a/marl_factory_grid/modules/maintenance/entities.py
+++ b/marl_factory_grid/modules/maintenance/entities.py
@@ -3,8 +3,6 @@ from random import shuffle
 import networkx as nx
 import numpy as np
 
-
-from ...algorithms.static.utils import points_to_graph
 from ...environment import constants as c
 from ...environment.actions import Action, ALL_BASEACTIONS
 from ...environment.entity.entity import Entity
@@ -26,7 +24,6 @@ class Maintainer(Entity):
         self._next = []
         self._last = []
         self._last_serviced = 'None'
-        self._floortile_graph = None
 
     def tick(self, state):
         if found_objective := h.get_first(state[self.objective].by_pos(self.pos)):
@@ -41,17 +38,18 @@ class Maintainer(Entity):
             return action.do(self, state)
 
     def get_move_action(self, state) -> Action:
-        if not self._floortile_graph:
-            state.print("Generating Floorgraph....")
-            self._floortile_graph = points_to_graph(state.entities.floorlist)
-        if self._path is None or not self._path:
+        if self._path is None or not len(self._path):
             if not self._next:
                 self._next = list(state[self.objective].values()) + [Floor(*state.random_free_position)]
                 shuffle(self._next)
                 self._last = []
             self._last.append(self._next.pop())
             state.print("Calculating shortest path....")
-            self._path = self.calculate_route(self._last[-1])
+            self._path = self.calculate_route(self._last[-1], state.floortile_graph)
+            if not self._path:
+                self._last.append(self._next.pop())
+                state.print("Calculating shortest path.... Again....")
+                self._path = self.calculate_route(self._last[-1], state.floortile_graph)
 
         if door := self._closed_door_in_path(state):
             state.print(f"{self} found {door} that is closed. Attempt to open.")
@@ -67,8 +65,8 @@ class Maintainer(Entity):
             raise EnvironmentError
         return action_obj
 
-    def calculate_route(self, entity):
-        route = nx.shortest_path(self._floortile_graph, self.pos, entity.pos)
+    def calculate_route(self, entity, floortile_graph):
+        route = nx.shortest_path(floortile_graph, self.pos, entity.pos)
         return route[1:]
 
     def _closed_door_in_path(self, state):
diff --git a/marl_factory_grid/modules/maintenance/groups.py b/marl_factory_grid/modules/maintenance/groups.py
index 5b09c9c..4ac416b 100644
--- a/marl_factory_grid/modules/maintenance/groups.py
+++ b/marl_factory_grid/modules/maintenance/groups.py
@@ -14,14 +14,8 @@ class Maintainers(Collection):
     var_is_blocking_light = False
     var_has_position = True
 
-    def __init__(self, size, *args, coords_or_quantity: int = None,
-                 spawnrule: Union[None, Dict[str, dict]] = None,
-                 **kwargs):
-        super(Collection, self).__init__(*args, **kwargs)
-        self._coords_or_quantity = coords_or_quantity
-        self.size = size
-        self._spawnrule = spawnrule
-
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
 
     def spawn(self, coords_or_quantity: Union[int, List[Tuple[(int, int)]]], *entity_args):
         self.add_items([self._entity(mc.MACHINES, MachineAction(), pos) for pos in coords_or_quantity])
diff --git a/marl_factory_grid/modules/zones/rules.py b/marl_factory_grid/modules/zones/rules.py
index f9b5c11..c31666c 100644
--- a/marl_factory_grid/modules/zones/rules.py
+++ b/marl_factory_grid/modules/zones/rules.py
@@ -11,19 +11,21 @@ class ZoneInit(Rule):
 
     def __init__(self):
         super().__init__()
+        self._zones = list()
 
     def on_init(self, state, lvl_map):
-        zones = []
         z_idx = 1
 
         while z_idx:
             zone_positions = lvl_map.get_coordinates_for_symbol(z_idx)
             if len(zone_positions):
-                zones.append(Zone(zone_positions))
+                self._zones.append(Zone(zone_positions))
                 z_idx += 1
             else:
                 z_idx = 0
-        state[z.ZONES].add_items(zones)
+
+    def on_reset(self, state):
+        state[z.ZONES].add_items(self._zones)
         return []
 
 
@@ -32,7 +34,7 @@ class AgentSingleZonePlacement(Rule):
     def __init__(self):
         super().__init__()
 
-    def on_init(self, state, lvl_map):
+    def on_reset(self, state):
         n_agents = len(state[c.AGENT])
         assert len(state[z.ZONES]) >= n_agents
 
@@ -48,19 +50,16 @@ class AgentSingleZonePlacement(Rule):
 class IndividualDestinationZonePlacement(Rule):
 
     def __init__(self):
+        raise NotImplementedError("This is rpetty new, and needs to be debugged, after the zones")
         super().__init__()
 
-    def on_init(self, state, lvl_map):
+    def on_reset(self, state):
         for agent in state[c.AGENT]:
-            self.trigger_destination_spawn(agent, state)
-            pass
-        return []
-
-    def tick_step(self, state):
+            self.trigger_spawn(agent, state)
         return []
 
     @staticmethod
-    def trigger_destination_spawn(agent, state):
+    def trigger_spawn(agent, state):
         agent_zones = state[z.ZONES].by_pos(agent.pos)
         other_zones = [x for x in state[z.ZONES] if x not in agent_zones]
         already_has_destination = True
diff --git a/marl_factory_grid/utils/states.py b/marl_factory_grid/utils/states.py
index d54db6a..b5f794c 100644
--- a/marl_factory_grid/utils/states.py
+++ b/marl_factory_grid/utils/states.py
@@ -3,6 +3,7 @@ from typing import List, Tuple
 
 import numpy as np
 
+from marl_factory_grid.algorithms.static.utils import points_to_graph
 from marl_factory_grid.environment import constants as c
 from marl_factory_grid.environment.entity.entity import Entity
 from marl_factory_grid.environment.rules import Rule
@@ -29,6 +30,12 @@ class StepRules:
         self.rules.append(item)
         return True
 
+    def do_all_reset(self, state):
+        for rule in self.rules:
+            if rule_reset_printline := rule.on_reset(state):
+                state.print(rule_reset_printline)
+        return c.VALID
+
     def do_all_init(self, state, lvl_map):
         for rule in self.rules:
             if rule_init_printline := rule.on_init(state, lvl_map):
@@ -59,6 +66,13 @@ class StepRules:
 
 class Gamestate(object):
 
+    @property
+    def floortile_graph(self):
+        if not self._floortile_graph:
+            self.print("Generating Floorgraph....")
+            self._floortile_graph = points_to_graph(self.entities.floorlist)
+        return self._floortile_graph
+
     @property
     def moving_entites(self):
         return [y for x in self.entities for y in x if x.var_can_move]
@@ -72,6 +86,7 @@ class Gamestate(object):
         self.verbose = verbose
         self.rng = np.random.default_rng(env_seed)
         self.rules = StepRules(*rules)
+        self._floortile_graph = None
         self.tests = StepTests(*tests)
 
     def __getitem__(self, item):