diff --git a/test/e2e/test_catalogue_category.py b/test/e2e/test_catalogue_category.py
index d8bee430..fda5b46e 100644
--- a/test/e2e/test_catalogue_category.py
+++ b/test/e2e/test_catalogue_category.py
@@ -52,7 +52,7 @@ def setup(self, test_client):
         self.unit_value_id_dict = {}
 
     def post_unit(self, unit_post_data: dict) -> None:
-        """Posts a unit with the given data and stores the value and id in a dictionary for lookup later.
+        """Posts a unit with the given data and stores the value and ID in a dictionary for lookup later.
 
         :param unit_post_data: Dictionary containing the unit data as would be required for a `UnitPostSchema`.
         """
@@ -62,7 +62,7 @@ def post_unit(self, unit_post_data: dict) -> None:
 
     def add_unit_value_and_id(self, unit_value: str, unit_id: str) -> None:
         """
-        Stores a unit value and id inside the `unit_value_id_dict` for tests that need to have a
+        Stores a unit value and ID inside the `unit_value_id_dict` for tests that need to have a
         non-existent or invalid unit ID.
 
         :param unit_value: Value of the unit.
@@ -73,7 +73,7 @@ def add_unit_value_and_id(self, unit_value: str, unit_id: str) -> None:
 
     def post_catalogue_category(self, catalogue_category_data: dict) -> Optional[str]:
         """
-        Posts a catalogue category with the given data and returns the id of the created catalogue category if
+        Posts a catalogue category with the given data and returns the ID of the created catalogue category if
         successful.
 
         :param catalogue_category_data: Dictionary containing the basic catalogue category data as would be required
@@ -185,8 +185,8 @@ def test_create_with_valid_parent_id(self):
             {**CATALOGUE_CATEGORY_GET_DATA_NON_LEAF_REQUIRED_VALUES_ONLY, "parent_id": parent_id}
         )
 
-    def test_create_with_non_leaf_parent(self):
-        """Test creating a catalogue category with a non-leaf parent."""
+    def test_create_with_eaf_parent(self):
+        """Test creating a catalogue category with a leaf parent."""
 
         parent_id = self.post_catalogue_category(
             {**CATALOGUE_CATEGORY_POST_DATA_NON_LEAF_REQUIRED_VALUES_ONLY, "is_leaf": True}
@@ -247,14 +247,14 @@ def test_create_leaf_with_properties(self):
         self.check_post_catalogue_category_success(CATALOGUE_CATEGORY_GET_DATA_LEAF_NO_PARENT_WITH_PROPERTIES_MM)
 
     def test_create_leaf_with_properties_with_non_existent_unit_id(self):
-        """Test creating a leaf catalogue category with a property with a non-existent unit id provided."""
+        """Test creating a leaf catalogue category with a property with a non-existent unit ID provided."""
 
         self.add_unit_value_and_id("mm", str(ObjectId()))
         self.post_catalogue_category(CATALOGUE_CATEGORY_DATA_LEAF_NO_PARENT_WITH_PROPERTIES_MM)
         self.check_post_catalogue_category_failed_with_detail(422, "The specified unit does not exist")
 
     def test_create_leaf_with_properties_with_invalid_unit_id(self):
-        """Test creating a leaf catalogue category with a property with an invalid unit id provided."""
+        """Test creating a leaf catalogue category with a property with an invalid unit ID provided."""
 
         self.add_unit_value_and_id("mm", "invalid-id")
         self.post_catalogue_category(CATALOGUE_CATEGORY_DATA_LEAF_NO_PARENT_WITH_PROPERTIES_MM)
@@ -871,7 +871,7 @@ def test_partial_update_parent_id_to_child_of_self(self):
         )
 
     def test_partial_update_parent_id_to_leaf(self):
-        """Test updating the `parent_id` of a catalogue category to the id of a leaf catalogue category."""
+        """Test updating the `parent_id` of a catalogue category to the ID of a leaf catalogue category."""
 
         parent_id = self.post_catalogue_category(CATALOGUE_CATEGORY_POST_DATA_LEAF_NO_PARENT_NO_PROPERTIES)
         catalogue_category_id = self.post_catalogue_category(CATALOGUE_CATEGORY_POST_DATA_LEAF_REQUIRED_VALUES_ONLY)
@@ -1114,7 +1114,7 @@ def test_partial_update_leaf_with_properties_with_non_existent_unit_id(self):
         self.check_patch_catalogue_category_failed_with_detail(422, "The specified unit does not exist")
 
     def test_partial_update_leaf_with_properties_with_invalid_unit_id(self):
-        """Test updating a leaf catalogue category's properties to have a property with an invalid unit id provided."""
+        """Test updating a leaf catalogue category's properties to have a property with an invalid unit ID provided."""
 
         self.add_unit_value_and_id("mm", "invalid-id")
         catalogue_category_id = self.post_catalogue_category(CATALOGUE_CATEGORY_POST_DATA_LEAF_NO_PARENT_NO_PROPERTIES)