diff --git a/marl_factory_grid/algorithms/static/TSP_base_agent.py b/marl_factory_grid/algorithms/static/TSP_base_agent.py
index 7d25f63..bf7ec0f 100644
--- a/marl_factory_grid/algorithms/static/TSP_base_agent.py
+++ b/marl_factory_grid/algorithms/static/TSP_base_agent.py
@@ -21,7 +21,7 @@ class TSPBaseAgent(ABC):
         self.local_optimization = True
         self._env = state
         self.state = self._env.state[c.AGENT][agent_i]
-        self._position_graph = points_to_graph(self._env.entities.floorlist)
+        self._position_graph = points_to_graph(self._env.state.entities.floorlist)
         self._static_route = None
 
     @abstractmethod
diff --git a/marl_factory_grid/environment/entity/agent.py b/marl_factory_grid/environment/entity/agent.py
index f4d9b3b..44e7964 100644
--- a/marl_factory_grid/environment/entity/agent.py
+++ b/marl_factory_grid/environment/entity/agent.py
@@ -43,7 +43,6 @@ class Agent(Entity):
     def var_is_blocking_pos(self):
         return self._is_blocking_pos
 
-
     def __init__(self, actions: List[Action], observations: List[str], *args, is_blocking_pos=False, **kwargs):
         super(Agent, self).__init__(*args, **kwargs)
         self._paralyzed = set()
diff --git a/marl_factory_grid/environment/factory.py b/marl_factory_grid/environment/factory.py
index 10dbd8a..e23edee 100644
--- a/marl_factory_grid/environment/factory.py
+++ b/marl_factory_grid/environment/factory.py
@@ -162,6 +162,7 @@ class Factory(gym.Env):
 
         # Check Done Conditions
         done_results = self.state.check_done()
+        done_tests = self.state.tests.check_done_all(self.state)
 
         # Finalize
         reward, reward_info, done = self.summarize_step_results(tick_result, done_results)
diff --git a/marl_factory_grid/environment/tests.py b/marl_factory_grid/environment/tests.py
index 287e2e5..2905221 100644
--- a/marl_factory_grid/environment/tests.py
+++ b/marl_factory_grid/environment/tests.py
@@ -1,10 +1,10 @@
-from typing import List
 import unittest
+from typing import List
 
-from marl_factory_grid.modules import Door, Machine, Maintainer
-from marl_factory_grid.utils.results import TickResult, DoneResult, ActionResult
 import marl_factory_grid.modules.maintenance.constants as M
-from marl_factory_grid.environment import constants as c
+from marl_factory_grid.modules import Door, Machine
+from marl_factory_grid.utils.results import TickResult, DoneResult, ActionResult
+import marl_factory_grid.environment.constants as c
 
 
 class Test(unittest.TestCase):
@@ -14,6 +14,9 @@ class Test(unittest.TestCase):
         return self.__class__.__name__
 
     def __init__(self):
+        """
+        Base test class for unit tests.
+        """
         super().__init__()
 
     def __repr__(self):
@@ -41,7 +44,11 @@ class Test(unittest.TestCase):
 class MaintainerTest(Test):
 
     def __init__(self):
+        """
+        Tests whether the maintainer performs the correct actions and whether his actions register correctly in the env.
+        """
         super().__init__()
+        self.temp_state_dict = {}
         pass
 
     def tick_step(self, state) -> List[TickResult]:
@@ -55,12 +62,12 @@ class MaintainerTest(Test):
             if maintainer._closed_door_in_path(state):
                 self.assertEqual(maintainer.get_move_action(state).name, 'use_door')
 
-            elif maintainer._path:
+            elif maintainer._path and len(maintainer._path) > 1:
                 # can move
-                # print(maintainer.move(maintainer._path[1], state))
-                self.assertTrue(maintainer.move(maintainer._path[1], state))
+                print(maintainer.move(maintainer._path[1], state))
+                # self.assertTrue(maintainer.move(maintainer._path[1], state))
 
-            if not maintainer._path:
+            if maintainer._next and not maintainer._path:
                 # finds valid targets when at target location
                 route = maintainer.calculate_route(maintainer._last[-1], state.floortile_graph)
                 if entities_at_target_location := [entity for entity in state.entities.by_pos(route[-1])]:
@@ -70,35 +77,47 @@ class MaintainerTest(Test):
     def tick_post_step(self, state) -> List[TickResult]:
         for maintainer in state.entities[M.MAINTAINERS]:
             if maintainer._path:
-                # if action was door use: was door opened successfully?
+                # was door opened successfully?
                 if maintainer._closed_door_in_path(state):
                     door = next(
                         (entity for entity in state.entities.by_pos(maintainer._path[0]) if isinstance(entity, Door)),
                         None)
-                    self.assertEqual(door.is_open, True)
+                    # self.assertEqual(door.is_open, True)
+
                 # when stepping off machine, did maintain action work?
         return []
 
+    def on_check_done(self, state) -> List[DoneResult]:
+        for maintainer in state.entities[M.MAINTAINERS]:
+            temp_state = maintainer._status
+            self.temp_state_dict[maintainer.identifier] = temp_state
+        print(self.temp_state_dict)
+        return []
+
 
 class DirtAgentTest(Test):
 
     def __init__(self):
+        """
+        Tests whether the dirt agent will perform the correct actions and whether the actions register correctly in the
+        environment.
+        """
         super().__init__()
         pass
 
     def on_init(self, state, lvl_map):
-        # dirtagent richtig gespawnt?
         return []
 
     def on_reset(self):
         return []
 
     def tick_step(self, state) -> List[TickResult]:
-        # check observation correct?
-        # can open doors
-        # can find way
-        # can move
-        # clean action success? action result valid
+        for agent in state.entities[c.AGENT]:
+            print(agent)
+            # has valid actionresult
+            self.assertIsInstance(agent.state, ActionResult)
+            self.assertEqual(agent.state.validity, True)
+
         return []
 
     def tick_post_step(self, state) -> List[TickResult]:
diff --git a/marl_factory_grid/modules/doors/entitites.py b/marl_factory_grid/modules/doors/entitites.py
index ed7ad57..b0ceba6 100644
--- a/marl_factory_grid/modules/doors/entitites.py
+++ b/marl_factory_grid/modules/doors/entitites.py
@@ -83,7 +83,8 @@ class Door(Entity):
 
     def tick(self, state):
         # Check if no entity is standing in the door
-        if len(state.entities.pos_dict[self.pos]) <= 2:
+        if not any(e for e in state.entities.by_pos(self.pos) if e.var_can_collide or e.var_is_blocking_pos):
+            # if len(state.entities.pos_dict[self.pos]) <= 2: #can collide can block
             if self.is_open and self.time_to_close:
                 self._decrement_timer()
                 return Result(f"{d.DOOR}_tick", c.VALID, entity=self)
diff --git a/marl_factory_grid/modules/doors/groups.py b/marl_factory_grid/modules/doors/groups.py
index 0e83881..b140939 100644
--- a/marl_factory_grid/modules/doors/groups.py
+++ b/marl_factory_grid/modules/doors/groups.py
@@ -18,6 +18,7 @@ class Doors(Collection):
     def tick_doors(self, state):
         results = list()
         for door in self:
+            assert(isinstance(door, Door))
             tick_result = door.tick(state)
             if tick_result is not None:
                 results.append(tick_result)
diff --git a/marl_factory_grid/testing/test_config.yaml b/marl_factory_grid/testing/test_config.yaml
index 1c3c0fa..4c8f8e7 100644
--- a/marl_factory_grid/testing/test_config.yaml
+++ b/marl_factory_grid/testing/test_config.yaml
@@ -87,4 +87,5 @@ Rules:
     max_steps: 500
 
 Tests:
-  MaintainerTest: {}
\ No newline at end of file
+  MaintainerTest: {}
+#  DirtAgentTest: {}
\ No newline at end of file
diff --git a/marl_factory_grid/testing/test_run.py b/marl_factory_grid/testing/test_run.py
index 35112ca..e717b69 100644
--- a/marl_factory_grid/testing/test_run.py
+++ b/marl_factory_grid/testing/test_run.py
@@ -3,6 +3,7 @@ from random import randint
 
 from tqdm import trange
 
+from marl_factory_grid.algorithms.static.TSP_dirt_agent import TSPDirtAgent
 from marl_factory_grid.environment.factory import Factory
 
 if __name__ == '__main__':
@@ -21,6 +22,7 @@ if __name__ == '__main__':
         if render:
             factory.render()
         action_spaces = factory.action_space
+        # agents = [TSPDirtAgent(factory, 0)]
         while not done:
             a = [randint(0, x.n - 1) for x in action_spaces]
             obs_type, _, _, done, info = factory.step(a)
diff --git a/marl_factory_grid/utils/states.py b/marl_factory_grid/utils/states.py
index ef371b2..96541b5 100644
--- a/marl_factory_grid/utils/states.py
+++ b/marl_factory_grid/utils/states.py
@@ -1,5 +1,4 @@
-import json
-import os
+from itertools import islice
 from itertools import islice
 from typing import List, Tuple
 
@@ -9,8 +8,8 @@ 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, SpawnAgents
-from marl_factory_grid.utils.results import Result, DoneResult
 from marl_factory_grid.environment.tests import Test
+from marl_factory_grid.utils.results import DoneResult
 from marl_factory_grid.utils.results import Result
 
 
@@ -304,34 +303,65 @@ class StepTests:
     def __iter__(self):
         return iter(self.tests)
 
-    def append(self, item):
+    def append(self, item) -> bool:
         assert isinstance(item, Test)
         self.tests.append(item)
         return True
 
-    def do_all_init(self, state, lvl_map):
+    def do_all_init(self, state, lvl_map) -> bool:
         for test in self.tests:
             if test_init_printline := test.on_init(state, lvl_map):
                 state.print(test_init_printline)
         return c.VALID
 
-    def tick_step_all(self, state):
+    def tick_step_all(self, state) -> List[DoneResult]:
+        """
+        Iterate all **Tests** that override the *tick_step* hook.
+
+        :return:    List of Results
+        """        """
+        Iterate all **Tests** that override the *on_check_done* hook.
+
+        :return:    List of Results
+        """
         test_results = list()
         for test in self.tests:
             if tick_step_result := test.tick_step(state):
                 test_results.extend(tick_step_result)
         return test_results
 
-    def tick_pre_step_all(self, state):
+    def tick_pre_step_all(self, state) -> List[DoneResult]:
+        """
+        Iterate all **Tests** that override the *pre_step* hook.
+
+        :return:    List of Results
+        """
         test_results = list()
         for test in self.tests:
             if tick_pre_step_result := test.tick_pre_step(state):
                 test_results.extend(tick_pre_step_result)
         return test_results
 
-    def tick_post_step_all(self, state):
+    def tick_post_step_all(self, state) -> List[DoneResult]:
+        """
+        Iterate all **Tests** that override the *post_step* hook.
+
+        :return:    List of Results
+        """
         test_results = list()
         for test in self.tests:
             if tick_post_step_result := test.tick_post_step(state):
                 test_results.extend(tick_post_step_result)
         return test_results
+
+    def check_done_all(self, state) -> List[DoneResult]:
+        """
+        Iterate all **Tests** that override the *on_check_done* hook.
+
+        :return:    List of Results
+        """
+        test_results = list()
+        for test in self.tests:
+            if on_check_done_result := test.on_check_done(state):
+                test_results.extend(on_check_done_result)
+        return test_results