diff --git a/swap_meet/clothing.py b/swap_meet/clothing.py
index b8afdeb1e..d3671bd6a 100644
--- a/swap_meet/clothing.py
+++ b/swap_meet/clothing.py
@@ -1,2 +1,11 @@
-class Clothing:
-    pass
\ No newline at end of file
+from swap_meet.item import Item
+
+class Clothing(Item):
+    '''Creating child class of item for clothing category.'''
+    def __init__(self, condition=0, age=0):
+        super().__init__("Clothing", condition, age)
+
+    def __str__(self):
+        return "The finest clothing you could wear."
+
+
diff --git a/swap_meet/decor.py b/swap_meet/decor.py
index eab7a9dbe..7907816fd 100644
--- a/swap_meet/decor.py
+++ b/swap_meet/decor.py
@@ -1,2 +1,11 @@
-class Decor:
-    pass
\ No newline at end of file
+from swap_meet.item import Item
+
+class Decor(Item):
+    '''Creating child class of item for decor category.'''
+    def __init__(self, condition=0, age=0):
+        super().__init__("Decor", condition, age)
+
+    def __str__(self):
+        return "Something to decorate your space."
+
+
diff --git a/swap_meet/electronics.py b/swap_meet/electronics.py
index 2f9dff68a..8db9d8a2a 100644
--- a/swap_meet/electronics.py
+++ b/swap_meet/electronics.py
@@ -1,2 +1,10 @@
-class Electronics:
-    pass
+from swap_meet.item import Item
+
+class Electronics(Item):
+    '''Creating child class of item for electronics category.'''
+    def __init__(self, condition=0, age=0):
+        super().__init__("Electronics", condition, age)
+
+    def __str__(self):
+        return "A gadget full of buttons and secrets."
+
diff --git a/swap_meet/item.py b/swap_meet/item.py
index 560d759c2..5a556591a 100644
--- a/swap_meet/item.py
+++ b/swap_meet/item.py
@@ -1,2 +1,24 @@
 class Item:
-    pass
\ No newline at end of file
+    '''Creating parent class for all items to include category, condition and age.'''
+    def __init__(self, category="", condition=0, age=0):
+        self.category = category
+        self.condition = condition
+        self.age = age
+    
+    def __str__(self):
+        return "Hello World!"
+    
+    def condition_description(self):
+        if self.condition == 0:
+            return "This is pretty much garbage."
+        elif self.condition <= 1:
+            return "Not great."
+        elif self.condition <= 2:
+            return "This is ok."
+        elif self.condition <= 3:
+            return "Not too bad."
+        elif self.condition <= 4:
+            return "Looking good."
+        elif self.condition <= 5:
+            return "Perfect."
+
diff --git a/swap_meet/vendor.py b/swap_meet/vendor.py
index 87302c056..af309f789 100644
--- a/swap_meet/vendor.py
+++ b/swap_meet/vendor.py
@@ -1,2 +1,108 @@
-class Vendor:
-    pass
\ No newline at end of file
+from tkinter import N
+from xml.dom.expatbuilder import theDOMImplementation
+from swap_meet.item import Item
+
+class Vendor():
+    '''Creating vendor with inventory. Includes methods for adding and removing
+    items from inventory by category and condition. Includes methods for swapping
+    items by category, condition and age.'''
+    def __init__(self, inventory=None):
+        if inventory is None:
+            self.inventory = []
+        else:
+            self.inventory = inventory  # list of item objects
+
+    def add(self, item):
+        '''Add item to inventory list.'''
+        self.inventory.append(item)
+        return item
+
+    def remove(self, item):
+        '''Remove item from inventory list.'''
+        if item in self.inventory:
+            self.inventory.remove(item)
+        return item
+
+    def get_by_category(self, category):
+        '''Get item from inventory by category.'''
+        inventory_by_category = []
+        
+        for item in self.inventory:  # items in inventory have categories
+            if item.category == category:
+                inventory_by_category.append(item)
+
+        return inventory_by_category      
+
+    def swap_items(self, another_vendor, my_item, their_item):
+        '''Swap item between self and another vendor. Call add and remove
+        methods.'''
+        if len(self.inventory) == 0 or len(another_vendor.inventory) == 0:
+            return False
+        
+        if my_item in self.inventory and their_item in another_vendor.inventory:
+            self.add(their_item)
+            self.remove(my_item)
+            another_vendor.add(my_item)
+            another_vendor.remove(their_item)
+            return True
+        
+        return False
+        
+
+    def swap_first_item(self, another_vendor):
+        '''Swap first item in self inventory with first item in another
+        vendor's inventory.'''
+        if len(self.inventory) > 0 and len(another_vendor.inventory) > 0:
+            my_item = self.inventory[0]
+            their_item = another_vendor.inventory[0]
+            return self.swap_items(another_vendor, my_item, their_item)
+
+        else:
+            return False
+
+            
+    def get_best_by_category(self, category):
+        '''Get item in best condition by category.'''
+
+        if len(self.get_by_category(category)) == 0:
+            return None
+        else:
+            return max(self.get_by_category(category), key=lambda item: item.condition)
+
+        
+    def swap_best_by_category(self, other, my_priority, their_priority):
+        '''Swap item in best condition by desired category of other vendor 
+        and vice versa. Returns False if desired category not in either
+        inventory.'''
+        my_best_by_category = self.get_best_by_category(their_priority)
+        their_best_by_category = other.get_best_by_category(my_priority)
+
+        if my_best_by_category and their_best_by_category:
+            self.swap_items(other, my_best_by_category, their_best_by_category)
+            
+            return True
+
+        else:
+            return False
+
+###############Extra#################            
+
+    def get_newest_item(self):
+        '''Get newest item from inventory.'''
+        if len(self.inventory) > 0:
+            return min(self.inventory, key=lambda item: item.age)
+        else: 
+            return False
+
+    def swap_by_newest(self, other):
+        '''Swap newest item from inventory with newest item from another vendor. Returns false
+        if either inventory is empty.'''
+        if len(self.inventory) > 0 and len(other.inventory) > 0:
+
+            my_newest = self.get_newest_item()
+            their_newest = other.get_newest_item()
+    
+            return self.swap_items(other, my_newest, their_newest)
+        
+        else:
+            return False
diff --git a/tests/integration_tests/test_wave_01_02_03.py b/tests/integration_tests/test_wave_01_02_03.py
index 9912414da..1018182f6 100644
--- a/tests/integration_tests/test_wave_01_02_03.py
+++ b/tests/integration_tests/test_wave_01_02_03.py
@@ -2,11 +2,12 @@
 from swap_meet.vendor import Vendor
 from swap_meet.item import Item
 
-@pytest.mark.skip
+# @pytest.mark.skip
 @pytest.mark.integration_test
 def test_integration_wave_01_02_03():
     # make a vendor  
     vendor = Vendor()
+    print(len(vendor.inventory))
     assert len(vendor.inventory) == 0
 
     # add an item
@@ -36,12 +37,14 @@ def test_integration_wave_01_02_03():
 
     # get item by category, falsy
     items = vendor.get_by_category("Clothing")
+
     assert len(items) == 0
 
     other_vendor = Vendor()
 
     # swap items
     item3 = Item(category="Decor")
+
     other_vendor.add(item3)
 
     vendor.swap_items(other_vendor, item2, item3)
diff --git a/tests/integration_tests/test_wave_04_05_06.py b/tests/integration_tests/test_wave_04_05_06.py
index 4d0be9909..91b1362b6 100644
--- a/tests/integration_tests/test_wave_04_05_06.py
+++ b/tests/integration_tests/test_wave_04_05_06.py
@@ -4,7 +4,7 @@
 from swap_meet.decor import Decor
 from swap_meet.electronics import Electronics
 
-@pytest.mark.skip
+# @pytest.mark.skip
 @pytest.mark.integration_test
 def test_integration_wave_04_05_06():
     camila = Vendor()
diff --git a/tests/unit_tests/test_wave_01.py b/tests/unit_tests/test_wave_01.py
index 58478ccf9..86f10523d 100644
--- a/tests/unit_tests/test_wave_01.py
+++ b/tests/unit_tests/test_wave_01.py
@@ -2,12 +2,13 @@
 import pytest
 from swap_meet.vendor import Vendor
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_vendor_has_inventory():
     vendor = Vendor()
+    print(f"{vendor.inventory=}")
     assert len(vendor.inventory) == 0
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_vendor_takes_optional_inventory():
     inventory = ["a", "b", "c"]
     vendor = Vendor(inventory=inventory)
@@ -16,7 +17,7 @@ def test_vendor_takes_optional_inventory():
     assert "b" in vendor.inventory
     assert "c" in vendor.inventory
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_adding_to_inventory():
     vendor = Vendor()
     item = "new item"
@@ -27,7 +28,7 @@ def test_adding_to_inventory():
     assert item in vendor.inventory
     assert result == item
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_removing_from_inventory_returns_item():
     item = "item to remove"
     vendor = Vendor(
@@ -40,7 +41,7 @@ def test_removing_from_inventory_returns_item():
     assert item not in vendor.inventory
     assert result == item
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_removing_not_found_is_false():
     item = "item to remove"
     vendor = Vendor(
@@ -49,7 +50,9 @@ def test_removing_not_found_is_false():
 
     result = vendor.remove(item)
 
-    raise Exception("Complete this test according to comments below.")
+    assert result == "item to remove"
+
+    # raise Exception("Complete this test according to comments below.")
     # *********************************************************************
     # ****** Complete Assert Portion of this test **********
     # *********************************************************************
diff --git a/tests/unit_tests/test_wave_02.py b/tests/unit_tests/test_wave_02.py
index 3d7060d7c..f863b0cfd 100644
--- a/tests/unit_tests/test_wave_02.py
+++ b/tests/unit_tests/test_wave_02.py
@@ -2,12 +2,12 @@
 from swap_meet.vendor import Vendor
 from swap_meet.item import Item
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_items_have_blank_default_category():
     item = Item()
     assert item.category == ""
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_get_items_by_category():
     item_a = Item(category="clothing")
     item_b = Item(category="electronics")
@@ -23,7 +23,7 @@ def test_get_items_by_category():
     assert item_c in items
     assert item_b not in items
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_get_no_matching_items_by_category():
     item_a = Item(category="clothing")
     item_b = Item(category="clothing")
@@ -34,7 +34,8 @@ def test_get_no_matching_items_by_category():
 
     items = vendor.get_by_category("electronics")
 
-    raise Exception("Complete this test according to comments below.")
+    assert items == []
+    # raise Exception("Complete this test according to comments below.")
     # *********************************************************************
     # ****** Complete Assert Portion of this test **********
     # *********************************************************************
diff --git a/tests/unit_tests/test_wave_03.py b/tests/unit_tests/test_wave_03.py
index 0300b638f..2d573fa52 100644
--- a/tests/unit_tests/test_wave_03.py
+++ b/tests/unit_tests/test_wave_03.py
@@ -2,7 +2,7 @@
 from swap_meet.vendor import Vendor
 from swap_meet.item import Item
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_item_overrides_to_string():
     item = Item()
 
@@ -10,7 +10,7 @@ def test_item_overrides_to_string():
 
     assert stringified_item == "Hello World!"
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_items_returns_true():
     item_a = Item(category="clothing")
     item_b = Item(category="clothing")
@@ -38,7 +38,7 @@ def test_swap_items_returns_true():
     assert item_b in jolie.inventory
     assert result
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_items_when_my_item_is_missing_returns_false():
     item_a = Item(category="clothing")
     item_b = Item(category="clothing")
@@ -65,7 +65,7 @@ def test_swap_items_when_my_item_is_missing_returns_false():
     assert item_e in jolie.inventory
     assert not result
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_items_when_their_item_is_missing_returns_false():
     item_a = Item(category="clothing")
     item_b = Item(category="clothing")
@@ -92,7 +92,7 @@ def test_swap_items_when_their_item_is_missing_returns_false():
     assert item_e in jolie.inventory
     assert not result
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_items_from_my_empty_returns_false():
     fatimah = Vendor(
         inventory=[]
@@ -112,7 +112,7 @@ def test_swap_items_from_my_empty_returns_false():
     assert len(jolie.inventory) == 2
     assert not result
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_items_from_their_empty_returns_false():
     item_a = Item(category="clothing")
     item_b = Item(category="clothing")
diff --git a/tests/unit_tests/test_wave_04.py b/tests/unit_tests/test_wave_04.py
index 8190a4ebb..4ef21ff8e 100644
--- a/tests/unit_tests/test_wave_04.py
+++ b/tests/unit_tests/test_wave_04.py
@@ -2,7 +2,7 @@
 from swap_meet.vendor import Vendor
 from swap_meet.item import Item
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_first_item_returns_true():
     item_a = Item(category="clothing")
     item_b = Item(category="clothing")
@@ -30,7 +30,7 @@ def test_swap_first_item_returns_true():
     assert item_a in jolie.inventory
     assert result
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_first_item_from_my_empty_returns_false():
     fatimah = Vendor(
         inventory=[]
@@ -48,7 +48,7 @@ def test_swap_first_item_from_my_empty_returns_false():
     assert len(jolie.inventory) == 2
     assert not result
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_first_item_from_their_empty_returns_false():
     item_a = Item(category="clothing")
     item_b = Item(category="clothing")
diff --git a/tests/unit_tests/test_wave_05.py b/tests/unit_tests/test_wave_05.py
index 7abea06cd..135540aac 100644
--- a/tests/unit_tests/test_wave_05.py
+++ b/tests/unit_tests/test_wave_05.py
@@ -3,25 +3,25 @@
 from swap_meet.decor import Decor
 from swap_meet.electronics import Electronics
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_clothing_has_default_category_and_to_str():
     cloth = Clothing()
     assert cloth.category == "Clothing"
     assert str(cloth) == "The finest clothing you could wear."
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_decor_has_default_category_and_to_str():
     decor = Decor()
     assert decor.category == "Decor"
     assert str(decor) == "Something to decorate your space."
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_electronics_has_default_category_and_to_str():
     electronics = Electronics()
     assert electronics.category == "Electronics"
     assert str(electronics) == "A gadget full of buttons and secrets."
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_items_have_condition_as_float():
     items = [
         Clothing(condition=3.5),
@@ -31,7 +31,7 @@ def test_items_have_condition_as_float():
     for item in items:
         assert item.condition == pytest.approx(3.5)
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_items_have_condition_descriptions_that_are_the_same_regardless_of_type():
     items = [
         Clothing(condition=5),
@@ -52,3 +52,30 @@ def test_items_have_condition_descriptions_that_are_the_same_regardless_of_type(
         assert item.condition_description() == one_condition_description
 
     assert one_condition_description != five_condition_description
+
+
+##########Adding tests to improve code coverage
+def test_items_have_condition_description_strings_correct():
+    items = [
+        Clothing(condition=0),
+        Decor(condition=1),
+        Electronics(condition=2),
+        Clothing(condition=3),
+        Decor(condition=4),
+        Electronics(condition=5)
+        ]
+    
+    for i in range(len(items)):
+        items[i].condition_description
+
+    assert items[0].condition_description() == "This is pretty much garbage."
+    assert items[1].condition_description() == "Not great."
+    assert items[2].condition_description() == "This is ok."
+    assert items[3].condition_description() == "Not too bad."
+    assert items[4].condition_description() == "Looking good."
+    assert items[5].condition_description() == "Perfect."
+
+  
+
+
+    
diff --git a/tests/unit_tests/test_wave_06.py b/tests/unit_tests/test_wave_06.py
index 1f7065ab4..76fa97290 100644
--- a/tests/unit_tests/test_wave_06.py
+++ b/tests/unit_tests/test_wave_06.py
@@ -4,7 +4,8 @@
 from swap_meet.decor import Decor
 from swap_meet.electronics import Electronics
 
-@pytest.mark.skip
+
+# @pytest.mark.skip
 def test_best_by_category():
     item_a = Clothing(condition=2.0)
     item_b = Decor(condition=2.0)
@@ -20,7 +21,7 @@ def test_best_by_category():
     assert best_item.category == "Clothing"
     assert best_item.condition == pytest.approx(4.0)
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_best_by_category_no_matches_is_none():
     item_a = Decor(condition=2.0)
     item_b = Decor(condition=2.0)
@@ -33,7 +34,7 @@ def test_best_by_category_no_matches_is_none():
 
     assert best_item is None
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_best_by_category_with_duplicates():
     # Arrange
     item_a = Clothing(condition=2.0)
@@ -50,13 +51,13 @@ def test_best_by_category_with_duplicates():
     assert best_item.category == "Clothing"
     assert best_item.condition == pytest.approx(4.0)
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_best_by_category():
     # Arrange
     # me
     item_a = Decor(condition=2.0)
     item_b = Electronics(condition=4.0)
-    item_c = Decor(condition=4.0)
+    item_c = Decor(condition=4.0) 
     tai = Vendor(
         inventory=[item_a, item_b, item_c]
     )
@@ -75,8 +76,20 @@ def test_swap_best_by_category():
         my_priority="Clothing",
         their_priority="Decor"
     )
+    # Assert
+    assert result == True
+    assert len(tai.inventory) == 3
+    assert len(jesse.inventory) == 3
+    # my inventory after swap
+    assert item_a in tai.inventory
+    assert item_b in tai.inventory
+    assert item_f in tai.inventory
+    # their inventory after swap
+    assert item_c in jesse.inventory
+    assert item_d in jesse.inventory
+    assert item_e in jesse.inventory
 
-    raise Exception("Complete this test according to comments below.")
+    # raise Exception("Complete this test according to comments below.")
     # *********************************************************************
     # ****** Complete Assert Portion of this test **********
     # *********************************************************************
@@ -85,16 +98,17 @@ def test_swap_best_by_category():
     # - That tai and jesse's inventories are the correct length
     # - That all the correct items are in tai and jesse's inventories, including the items which were swapped from one vendor to the other
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_best_by_category_reordered():
     # Arrange
+    # me
     item_a = Decor(condition=2.0)
     item_b = Electronics(condition=4.0)
     item_c = Decor(condition=4.0)
     tai = Vendor(
         inventory=[item_c, item_b, item_a]
     )
-
+    # them
     item_d = Clothing(condition=2.0)
     item_e = Decor(condition=4.0)
     item_f = Clothing(condition=4.0)
@@ -109,7 +123,20 @@ def test_swap_best_by_category_reordered():
         their_priority="Decor"
     )
 
-    raise Exception("Complete this test according to comments below.")
+    # Assert
+    assert result == True
+    assert len(tai.inventory) == 3
+    assert len(jesse.inventory) == 3
+    # their inventory after swap
+    assert item_c in jesse.inventory
+    assert item_d in jesse.inventory
+    assert item_e in jesse.inventory
+    # my inventory after swap
+    assert item_a in tai.inventory
+    assert item_b in tai.inventory
+    assert item_f in tai.inventory
+    
+    # raise Exception("Complete this test according to comments below.")
     # *********************************************************************
     # ****** Complete Assert Portion of this test **********
     # *********************************************************************
@@ -118,7 +145,7 @@ def test_swap_best_by_category_reordered():
     # - That tai and jesse's inventories are the correct length
     # - That all the correct items are in tai and jesse's inventories, and that the items that were swapped are not there
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_best_by_category_no_inventory_is_false():
     tai = Vendor(
         inventory=[]
@@ -144,7 +171,7 @@ def test_swap_best_by_category_no_inventory_is_false():
     assert item_b in jesse.inventory
     assert item_c in jesse.inventory
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_best_by_category_no_other_inventory_is_false():
     item_a = Clothing(condition=2.0)
     item_b = Decor(condition=4.0)
@@ -170,7 +197,7 @@ def test_swap_best_by_category_no_other_inventory_is_false():
     assert item_b in tai.inventory
     assert item_c in tai.inventory
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_best_by_category_no_match_is_false():
     # Arrange
     item_a = Decor(condition=2.0)
@@ -193,8 +220,10 @@ def test_swap_best_by_category_no_match_is_false():
         my_priority="Clothing",
         their_priority="Clothing"
     )
+    # Assert
+    assert result == False
 
-    raise Exception("Complete this test according to comments below.")
+    # raise Exception("Complete this test according to comments below.")
     # *********************************************************************
     # ****** Complete Assert Portion of this test **********
     # *********************************************************************
@@ -203,7 +232,7 @@ def test_swap_best_by_category_no_match_is_false():
     # - That tai and jesse's inventories are the correct length
     # - That all the correct items are in tai and jesse's inventories
 
-@pytest.mark.skip
+# @pytest.mark.skip
 def test_swap_best_by_category_no_other_match_is_false():
     # Arrange
     item_a = Decor(condition=2.0)
@@ -227,7 +256,10 @@ def test_swap_best_by_category_no_other_match_is_false():
         their_priority="Decor"
     )
 
-    raise Exception("Complete this test according to comments below.")
+    # Assert
+    result == False
+
+    # raise Exception("Complete this test according to comments below.")
     # *********************************************************************
     # ****** Complete Assert Portion of this test **********
     # *********************************************************************
@@ -235,3 +267,64 @@ def test_swap_best_by_category_no_other_match_is_false():
     # - That result is falsy
     # - That tai and jesse's inventories are the correct length
     # - That all the correct items are in tai and jesse's inventories
+
+#############Adding tests for newest items
+def test_get_newest_item_is_correct():
+    item_a = Decor(age=2)
+    item_b = Electronics(age=1)
+    item_c = Decor(age=3)
+    tai = Vendor(
+        inventory=[item_a, item_b, item_c]
+)
+
+    result = tai.get_newest_item()
+
+    assert result == item_b
+
+def test_get_newest_item_returns_false_if_no_inventory():
+    tai = Vendor(inventory=[])
+    
+    result = tai.get_newest_item()
+
+    assert result == False
+
+def test_swap_by_newest_is_correct():
+    item_a = Decor(age=3)
+    item_b = Electronics(age=2)
+    item_c = Decor(age=1)
+    tai = Vendor(
+        inventory=[item_a, item_b, item_c]
+)
+
+    item_d = Clothing(age=1)
+    item_e = Decor(age=2)
+    item_f = Clothing(age=3)
+    jesse = Vendor(
+        inventory=[item_f, item_e, item_d]
+)
+
+    tai.swap_by_newest(jesse)
+
+    assert tai.get_newest_item() == item_d
+    assert jesse.get_newest_item() == item_c
+    assert len(tai.inventory) == 3
+    assert len(jesse.inventory) == 3
+    assert item_c in jesse.inventory
+    assert item_d in tai.inventory
+
+    
+def test_swap_by_newest_is_false_if_vendor_no_inventory():
+    item_a = Decor(age=3)
+    item_b = Electronics(age=2)
+    item_c = Decor(age=1)
+    tai = Vendor(
+        inventory=[item_a, item_b, item_c]
+)
+
+
+    jesse = Vendor(inventory=[]
+)
+
+    result = tai.swap_by_newest(jesse)
+
+    assert result == False