diff --git a/contributing/contr_pb.yaml b/contributing/contr_pb.yaml
index 602fd5f..837bc70 100644
--- a/contributing/contr_pb.yaml
+++ b/contributing/contr_pb.yaml
@@ -6,7 +6,7 @@
     ping:
 
 #  - name: Bad task (will fail)
-#    shell: "mv biba boba" 
+#    shell: "mv biba boba"
 
   - name: Creates very important directory
     file:
diff --git a/src/cotea_run_files/inv b/src/cotea_run_files/inv
deleted file mode 100644
index d0162e9..0000000
--- a/src/cotea_run_files/inv
+++ /dev/null
@@ -1,2 +0,0 @@
-[host1]           
-localhost ansible_connection=ssh ansible_ssh_port=2222 ansible_user=root ansible_password=amella ansible_ssh_common_args='-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null'
diff --git a/src/cotea_test_utils.py b/src/cotea_test_utils.py
deleted file mode 100644
index f8c7f1b..0000000
--- a/src/cotea_test_utils.py
+++ /dev/null
@@ -1,2 +0,0 @@
-def generate_error_msg(method_name, should_be, returned):
-    return "{} worked wrong\nshould be {}, returned {}".format(method_name, should_be, returned)
\ No newline at end of file
diff --git a/src/test/__init__.py b/src/test/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/test/ansible/docker.ini b/src/test/ansible/docker.ini
new file mode 100644
index 0000000..3663719
--- /dev/null
+++ b/src/test/ansible/docker.ini
@@ -0,0 +1,9 @@
+[cotea-docker-host]
+localhost
+
+[cotea-docker-host:vars]
+ansible_connection=ssh
+ansible_ssh_port=2222
+ansible_user=root
+ansible_password=amella
+ansible_ssh_common_args='-o StrictHostKeyChecking=no'
diff --git a/src/cotea_run_files/error.yaml b/src/test/ansible/error.yaml
similarity index 100%
rename from src/cotea_run_files/error.yaml
rename to src/test/ansible/error.yaml
diff --git a/src/cotea_run_files/incorrect.yaml b/src/test/ansible/incorrect.yaml
similarity index 100%
rename from src/cotea_run_files/incorrect.yaml
rename to src/test/ansible/incorrect.yaml
diff --git a/src/cotea_run_files/ok.yaml b/src/test/ansible/ok.yaml
similarity index 100%
rename from src/cotea_run_files/ok.yaml
rename to src/test/ansible/ok.yaml
diff --git a/src/cotea_ansible_error_case.py b/src/test/test_ansible_error.py
similarity index 90%
rename from src/cotea_ansible_error_case.py
rename to src/test/test_ansible_error.py
index 83a8d1d..c0f6dc6 100644
--- a/src/cotea_ansible_error_case.py
+++ b/src/test/test_ansible_error.py
@@ -1,12 +1,12 @@
+import os
 import unittest
 
 from cotea.runner import runner
 from cotea.arguments_maker import argument_maker
+from test.utils import ANSIBLE_DIR, INVENTORY_PATH
 
 
 def run_ansible_error_case(pb_path, inv_path):
-    msg = ""
-
     arg_maker = argument_maker()
     arg_maker.add_arg("-i", inv_path)
 
@@ -20,13 +20,11 @@ def run_ansible_error_case(pb_path, inv_path):
 
     if r.was_error():
         return True
-    
+
     return False
 
 
 def run_ansible_error_case_with_ignore(pb_path, inv_path):
-    msg = ""
-
     arg_maker = argument_maker()
     arg_maker.add_arg("-i", inv_path)
 
@@ -42,27 +40,26 @@ def run_ansible_error_case_with_ignore(pb_path, inv_path):
 
     if r.was_error():
         return True
-    
+
     return False
 
 
 class TestCotea(unittest.TestCase):
     def test_ansible_task_error_case(self):
-        pb_path = "cotea_run_files/error.yaml"
-        inv_path = "cotea_run_files/inv"
+        pb_path = os.path.join(ANSIBLE_DIR, "error.yaml")
+        inv_path = INVENTORY_PATH
 
         was_exception = False
         exception_msg = None
 
         was_error_in_tests = False
-        test_fail_msg = None
 
         try:
             was_error_in_tests = run_ansible_error_case(pb_path, inv_path)
         except Exception as e:
             was_exception = True
             exception_msg = str(e)
-        
+
         self.assertFalse(was_exception, msg=exception_msg)
 
         msg = "Ansible should be failed, there was an error in playbook, but cotea didn't catch that"
@@ -73,13 +70,12 @@ def test_ansible_task_error_case(self):
         except Exception as e:
             was_exception = True
             exception_msg = str(e)
-        
+
         self.assertFalse(was_exception, msg=exception_msg)
 
         msg = "runner.ignore_errors_of_next_task works wrong. The Ansible task failure wasn't ignored"
         self.assertFalse(was_error_in_tests, msg=msg)
 
 
-
 if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file
+    unittest.main()
diff --git a/src/cotea_internal_error_case.py b/src/test/test_internal_error.py
similarity index 90%
rename from src/cotea_internal_error_case.py
rename to src/test/test_internal_error.py
index e495dc4..461edcd 100644
--- a/src/cotea_internal_error_case.py
+++ b/src/test/test_internal_error.py
@@ -1,5 +1,8 @@
+import os
 import unittest
 
+from test.utils import ANSIBLE_DIR, INVENTORY_PATH
+
 
 class TestCotea(unittest.TestCase):
 
@@ -14,8 +17,8 @@ def test_incorrect_playbook_path_case(self):
         from cotea.runner import runner
         from cotea.arguments_maker import argument_maker
 
-        pb_path = "cotea_run_files/#%|&"
-        inv_path = "cotea_run_files/inv"
+        pb_path = os.path.join(ANSIBLE_DIR, "#%|&")
+        inv_path = INVENTORY_PATH
 
         arg_maker = argument_maker()
         arg_maker.add_arg("-i", inv_path)
@@ -39,8 +42,8 @@ def test_incorrect_syntax_case(self):
         from cotea.runner import runner
         from cotea.arguments_maker import argument_maker
 
-        pb_path = "cotea_run_files/incorrect.yaml"
-        inv_path = "cotea_run_files/inv"
+        pb_path = os.path.join(ANSIBLE_DIR, "incorrect.yaml")
+        inv_path = INVENTORY_PATH
 
         arg_maker = argument_maker()
         arg_maker.add_arg("-i", inv_path)
diff --git a/src/cotea_ok_case.py b/src/test/test_ok.py
similarity index 87%
rename from src/cotea_ok_case.py
rename to src/test/test_ok.py
index 5f3fa6a..2c99f5b 100644
--- a/src/cotea_ok_case.py
+++ b/src/test/test_ok.py
@@ -1,23 +1,24 @@
+import os
 import unittest
 
 from cotea.runner import runner
 from cotea.arguments_maker import argument_maker
-from cotea_test_utils import generate_error_msg
+from test.utils import generate_error_msg, ANSIBLE_DIR, INVENTORY_PATH
 
 
 # almost every cotea's function(method) is strongly connected
 # with Ansible launch and at the moment we didn't 
-# implement normal testing scheme (including unit testing and etc)
+# implement normal testing scheme (including unit testing etc.)
 def run_cotea_ok_case(pb_path, inv_path):
     msg = ""
     play_names = ["Play1", "Play2"]
     plays_tasks = []
-    
+
     play1_tasks = ["Gathering Facts", "meta", "Pinge Ponge", "Creates directory",
-                    "Creating an empty file", "Delete file",
-                    "Delete content & directory", "meta", "meta", "None"]
+                   "Creating an empty file", "Delete file",
+                   "Delete content & directory", "meta", "meta", "None"]
     plays_tasks.append(play1_tasks)
-    
+
     play2_tasks = ["Gathering Facts", "meta", "Pinge Ponge", "meta", "meta", "None"]
     plays_tasks.append(play2_tasks)
 
@@ -26,7 +27,6 @@ def run_cotea_ok_case(pb_path, inv_path):
 
     r = runner(pb_path, arg_maker, show_progress_bar=True)
     plays_ind = 0
-    tasks_ind = 0
 
     while r.has_next_play():
         tasks_ind = 0
@@ -45,7 +45,7 @@ def run_cotea_ok_case(pb_path, inv_path):
                 msg = generate_error_msg("runner.get_next_task_name", next_task_name_should_be, next_task_name)
                 r.finish_ansible()
                 return True, msg
-            
+
             if tasks_ind > 0:
                 prev_task_name = r.get_prev_task_name()
                 prev_task_name_should_be = plays_tasks[plays_ind][tasks_ind - 1]
@@ -64,7 +64,7 @@ def run_cotea_ok_case(pb_path, inv_path):
                 return True, msg
 
             tasks_ind += 1
-        
+
         plays_ind += 1
 
     r.finish_ansible()
@@ -73,14 +73,14 @@ def run_cotea_ok_case(pb_path, inv_path):
         ansible_err_msg = r.get_error_msg()
         msg += "\nAnsible task error:\n{}".format(ansible_err_msg)
         return True, msg
-    
+
     return False, msg
 
 
 class TestCotea(unittest.TestCase):
     def test_cotea_ok_case(self):
-        pb_path = "cotea_run_files/ok.yaml"
-        inv_path = "cotea_run_files/inv"
+        pb_path = os.path.join(ANSIBLE_DIR, "ok.yaml")
+        inv_path = INVENTORY_PATH
 
         was_exception = False
         exception_msg = None
@@ -93,10 +93,10 @@ def test_cotea_ok_case(self):
         except Exception as e:
             was_exception = True
             exception_msg = str(e)
-        
+
         self.assertFalse(was_exception, msg=exception_msg)
         self.assertFalse(was_error_in_tests, msg=test_fail_msg)
 
 
 if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file
+    unittest.main()
diff --git a/src/test/utils.py b/src/test/utils.py
new file mode 100644
index 0000000..9eba6e1
--- /dev/null
+++ b/src/test/utils.py
@@ -0,0 +1,9 @@
+import os
+
+TEST_DIR = os.path.dirname(__file__)
+ANSIBLE_DIR = os.path.join(TEST_DIR, "ansible")
+INVENTORY_PATH = os.path.join(ANSIBLE_DIR, "docker.ini")
+
+
+def generate_error_msg(method_name, should_be, returned):
+    return "{} worked wrong\nshould be {}, returned {}".format(method_name, should_be, returned)
\ No newline at end of file