doc: cosmetics on test files

test/test_multi_behavior.py

 from helper import *
 from test_users import run_user
 import json
+
 Workload = namedtuple('Workload', ['name', 'filename'])
 Platform = namedtuple('Platform', ['name', 'filename'])
-
 two_machine_platform = Platform(name='two_machine_platform', filename='test/platforms/multicore/2machines.xml')
+
 def make_monolithic_file(user_name, input_json, probability_name, seed=None, red_windows=None, yellow_windows=None):
-    """ create a user_description where every user with names in user_name and workload in input_json do only the behavior
-     given in probability_name with the provided seed and red_windows and yellow_windows """
+    """Utility function to create a user_description file with the given user_names, input_jsons, probability_name etc."""
+
     assert len(user_name) == len(input_json), "The three lists should be of the same size"
     schedconf_file = 'test-instances/user_description_file.json'
     error_file = {
@@ -33,7 +34,7 @@ def make_monolithic_file(user_name, input_json, probability_name, seed=None, red
         json.dump(error_file,error_description_file)
 
 def monolithics_test(proba_names,names,input_json,seed=None,red_windows=None,yellow_windows=None) :
-    """ test a monolithic behavior on red_windows or yellow_windows and compare to their dm_user_replay class equivalent"""
+    """Utility function to launch the test with given parameters and compare the output to their dm_user_replay class equivalent"""
     schedconf_file = 'test-instances/user_description_file.json'
     for proba_name in proba_names :
         behavior_name = proba_name.split("_")[-1]
@@ -48,6 +49,7 @@ def monolithics_test(proba_names,names,input_json,seed=None,red_windows=None,yel
         else :
             expected_log = open(f"test/expected_log/replay_user_rigid-2machines_jobs.csv").readlines()
         assert content_job == expected_log
+
 def test_dm_user_multi_behavior(platform_multiC) :
     out_dir_1 = run_user("dm_user_multi_behavior", platform_multiC)
     out_dir_2 = run_user("dm_user_multi_behavior_many_windows",platform_multiC)
@@ -56,6 +58,7 @@ def test_dm_user_multi_behavior(platform_multiC) :
     with open(f"{out_dir_2}/_jobs.csv") as job_file_2 :
         job_line_2 = job_file_2.readlines()
     assert job_line_1 == job_line_2
+
 def test_dm_user_multi_behavior_yellow(platform_multiC) :
     run_user("dm_user_multi_behavior_yellow",platform_multiC)
 
@@ -70,6 +73,7 @@ def test_dm_user_multi_behavior_monobehavior_red(platform_multiC) :
     names = ["user" + str(i+14) for i in range(3)] + ["user18"]
     input_json = ["test/workloads/dyn/user" + str(i+14) + ".json" for i in range(3)] + ["test/workloads/dyn/user18.json"]
     monolithics_test(proba_names, names, input_json, seed=3, red_windows=[[200000, 300000]])
+    
 def test_dm_user_multi_behabior_monobehavior_yellow(platform_multiC) :
     """ Test users that only do one behavior in yellow_windows"""
     proba_names = ["yellow_prob_reconfig", "yellow_prob_degrad","yellow_prob_rigid"]
@@ -80,4 +84,4 @@ def test_dm_user_multi_behabior_monobehavior_yellow(platform_multiC) :
 def test_dm_user_small_workload(platform_multiC) :
     """ test multi_behavior on small workload file (<100 jobs) for human checkable log"""
     for i in range(1, 6):
-        run_user(f"dm_user_multi_behavior_small_workload_{i}", platform_multiC)
+        run_user(f"dm_user_multi_behavior_small_workload_{i}", platform_multiC)
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