diff --git a/syncall/taskwarrior/taskw_duration.py b/syncall/taskwarrior/taskw_duration.py
index f987de5..5ba9277 100644
--- a/syncall/taskwarrior/taskw_duration.py
+++ b/syncall/taskwarrior/taskw_duration.py
@@ -110,9 +110,9 @@ def parse_iso8601_duration(string: str) -> timedelta:
 
 def taskw_duration_serialize(value: timedelta) -> str:
     """
-    >>> duration_serialize(timedelta(days=300))
+    >>> taskw_duration_serialize(timedelta(days=300))
     'PT25920000S'
-    >>> duration_serialize(timedelta(minutes=3))
+    >>> taskw_duration_serialize(timedelta(minutes=3))
     'PT180S'
     """
     # TODO atm (220220529) taskwarrior does not support float notation for its fields (i.e.,
diff --git a/tests/test_data/sample_items.yaml b/tests/test_data/sample_items.yaml
index 57f7079..efc2b36 100644
--- a/tests/test_data/sample_items.yaml
+++ b/tests/test_data/sample_items.yaml
@@ -10,7 +10,7 @@ tw_item:
   id: 276
   modified: 2019-03-05 00:03:09
   status: pending
-  twgcalsyncduration: "PT1200S"
+  syncallduration: "PT1200S"
   tags:
   - remindme
   urgency: 0
@@ -104,7 +104,6 @@ gcal_item_w_date:
   updated: '2019-03-16T16:01:32.486Z'
 caldav_item_w_date:
   priority: ''
-  created: 2019-03-16 16:01:32.00
   due: 2019-03-09 00:00:00
   id: 2s3acrn586e4ed7eff49ja91oh
   start: 2019-03-10 23:00:00
@@ -112,14 +111,13 @@ caldav_item_w_date:
   summary: 'gcal original event'
   last-modified: 2019-03-16 16:01:32.486
 tw_item_w_date_expected:
-  twgcalsyncduration: "PT86400S"
+  syncallduration: "PT86400S"
   annotations: []
   description: gcal original event
   due: 2019-03-09 00:00:00
   status: pending
   modified: 2019-03-16 16:01:32.486000
 gcal_item:
-  created: '2019-03-08T00:29:06.000Z'
   creator: {email: kalimera@gmail.com}
   description: '
 
@@ -152,7 +150,6 @@ gcal_item:
   summary: another summary goes here
   updated: '2019-03-08T00:29:06.602Z'
 caldav_item:
-  created: 2019-03-08 00:29:06.000
   description: '
 
     The same old description
@@ -172,7 +169,7 @@ caldav_item:
   last-modified: 2019-03-08 00:29:06.602
   priority: ''
 tw_item_expected:
-  twgcalsyncduration: "PT3600S"
+  syncallduration: "PT3600S"
   annotations:
   - kalimera
   - kalinuxta kai kali vradia
diff --git a/tests/test_tw_caldav_conversions.py b/tests/test_tw_caldav_conversions.py
index 9172c7b..dfcf731 100755
--- a/tests/test_tw_caldav_conversions.py
+++ b/tests/test_tw_caldav_conversions.py
@@ -1,4 +1,5 @@
 from pathlib import Path
+from typing import Dict
 
 import yaml
 
@@ -24,7 +25,7 @@ def load_sample_items(self):
         self.caldav_item = conts["caldav_item"]
         self.tw_item_expected = conts["tw_item_expected"]
 
-        self.tw_item = conts["tw_item"]
+        self.tw_item: Dict[str, Any] = conts["tw_item"]
         self.tw_item_w_due = conts["tw_item_w_due"]
         self.caldav_item_expected = conts["caldav_item_expected"]
         self.caldav_item_w_date_expected = conts["caldav_item_w_date_expected"]
@@ -33,20 +34,28 @@ def load_sample_items(self):
         self.tw_item_w_date_expected = conts["tw_item_w_date_expected"]
 
         # we don't care about this field yet.
-        self.tw_item.pop("twgcalsyncduration")
-        self.tw_item_expected.pop("twgcalsyncduration")
-        self.tw_item_w_date_expected.pop("twgcalsyncduration")
+        self.tw_item.pop("syncallduration")
+        self.tw_item_expected.pop("syncallduration")
+
+        self.tw_item_w_date_expected.pop("syncallduration")
+        if "entry" in self.tw_item_w_date_expected:
+            self.tw_item_w_date_expected.pop("entry")
+        if "created" in self.tw_item_w_date_expected:
+            self.tw_item_w_date_expected.pop("created")
 
     def test_tw_caldav_basic_convert(self):
         """Basic TW -> Caldav conversion."""
         self.load_sample_items()
+        tw_item = self.tw_item
         caldav_item_out = convert_tw_to_caldav(self.tw_item)
+        caldav_item_out.pop("created", "")
         self.assertDictEqual(caldav_item_out, self.caldav_item_expected)
 
     def test_tw_caldav_w_due_convert(self):
         """Basic TW (with 'due' subfield) -> Caldav conversion."""
         self.load_sample_items()
         caldav_item_out = convert_tw_to_caldav(self.tw_item_w_due)
+        caldav_item_out.pop("created", "")
         self.assertDictEqual(caldav_item_out, self.caldav_item_w_date_expected)
 
     def test_caldav_tw_basic_convert(self):
@@ -68,11 +77,12 @@ def test_tw_caldav_n_back(self):
         # UGLY - Rewrite how we do testing for caldav<>tw and gcal<>tw
         intermediate_caldav = convert_tw_to_caldav(self.tw_item)
         intermediate_caldav["priority"] = ""
+        intermediate_caldav.pop("created", "")
 
         tw_item_out = convert_caldav_to_tw(intermediate_caldav)
         self.assertSetEqual(
             set(self.tw_item) ^ set(tw_item_out),
-            set({"id", "urgency", "entry"}),
+            set({"id", "urgency", "entry", "entry"}),
         )
 
         intersection = set(self.tw_item) & set(tw_item_out)
@@ -93,7 +103,6 @@ def test_caldav_tw_n_back(self):
             set(self.caldav_item) ^ set(caldav_item_out),
             set(
                 {
-                    "created",
                     "id",
                 }
             ),