diff --git a/app/models/wallet_transaction.rb b/app/models/wallet_transaction.rb
index 87311ce6b..9ad84a30f 100644
--- a/app/models/wallet_transaction.rb
+++ b/app/models/wallet_transaction.rb
@@ -8,17 +8,14 @@ class WalletTransaction < ApplicationRecord
   belongs_to :wallet
   belongs_to :reservation
   # what was paid with the wallet
-  has_one :invoice
-  has_one :payment_schedule
+  has_one :invoice, dependent: :nullify
+  has_one :payment_schedule, dependent: :nullify
   # how the wallet was credited
   has_one :invoice_item, as: :object, dependent: :destroy
 
-  validates_inclusion_of :transaction_type, in: %w[credit debit]
-  validates :invoicing_profile, :wallet, presence: true
+  validates :transaction_type, inclusion: { in: %w[credit debit] }
 
-  def user
-    invoicing_profile.user
-  end
+  delegate :user, to: :invoicing_profile
 
   def original_invoice
     invoice_item.invoice
diff --git a/test/fixtures/order_activities.yml b/test/fixtures/order_activities.yml
new file mode 100644
index 000000000..e69de29bb
diff --git a/test/fixtures/order_items.yml b/test/fixtures/order_items.yml
new file mode 100644
index 000000000..5f1cffd10
--- /dev/null
+++ b/test/fixtures/order_items.yml
@@ -0,0 +1,130 @@
+order_item_1:
+  id: 1
+  order_id: 1
+  orderable_type: Product
+  orderable_id: 18
+  amount: 4000
+  quantity: 1
+  is_offered:
+  created_at: '2022-09-20 15:14:05.605885'
+  updated_at: '2022-09-20 15:14:05.605885'
+order_item_2:
+  id: 2
+  order_id: 1
+  orderable_type: Product
+  orderable_id: 13
+  amount: 500
+  quantity: 1
+  is_offered:
+  created_at: '2022-09-20 15:14:09.022448'
+  updated_at: '2022-09-20 15:14:09.022448'
+order_item_3:
+  id: 3
+  order_id: 2
+  orderable_type: Product
+  orderable_id: 15
+  amount: 1500
+  quantity: 4
+  is_offered:
+  created_at: '2022-09-20 15:14:34.899658'
+  updated_at: '2022-09-20 15:14:34.899658'
+order_item_11:
+  id: 11
+  order_id: 5
+  orderable_type: Product
+  orderable_id: 18
+  amount: 4000
+  quantity: 3
+  is_offered:
+  created_at: '2022-09-28 08:31:30.377083'
+  updated_at: '2022-10-04 08:34:25.130457'
+order_item_16:
+  id: 16
+  order_id: 9
+  orderable_type: Product
+  orderable_id: 23
+  amount: 119
+  quantity: 1
+  is_offered:
+  created_at: '2022-10-04 12:35:39.730968'
+  updated_at: '2022-10-04 12:35:39.730968'
+order_item_17:
+  id: 17
+  order_id: 9
+  orderable_type: Product
+  orderable_id: 22
+  amount: 200
+  quantity: 1
+  is_offered:
+  created_at: '2022-10-04 12:35:40.562076'
+  updated_at: '2022-10-04 12:35:40.562076'
+order_item_18:
+  id: 18
+  order_id: 10
+  orderable_type: Product
+  orderable_id: 23
+  amount: 119
+  quantity: 1
+  is_offered:
+  created_at: '2022-10-04 13:54:19.042858'
+  updated_at: '2022-10-04 13:54:19.042858'
+order_item_19:
+  id: 19
+  order_id: 10
+  orderable_type: Product
+  orderable_id: 15
+  amount: 1500
+  quantity: 1
+  is_offered:
+  created_at: '2022-10-04 13:54:22.649153'
+  updated_at: '2022-10-04 13:54:22.649153'
+order_item_20:
+  id: 20
+  order_id: 11
+  orderable_type: Product
+  orderable_id: 11
+  amount: 1000
+  quantity: 1
+  is_offered:
+  created_at: '2022-10-04 14:03:59.721736'
+  updated_at: '2022-10-04 14:03:59.721736'
+order_item_21:
+  id: 21
+  order_id: 12
+  orderable_type: Product
+  orderable_id: 20
+  amount: 1
+  quantity: 2
+  is_offered:
+  created_at: '2022-10-04 14:05:23.583721'
+  updated_at: '2022-10-04 14:17:41.866526'
+order_item_22:
+  id: 22
+  order_id: 12
+  orderable_type: Product
+  orderable_id: 18
+  amount: 4000
+  quantity: 1
+  is_offered:
+  created_at: '2022-10-04 14:17:33.257776'
+  updated_at: '2022-10-04 14:17:33.257776'
+order_item_23:
+  id: 23
+  order_id: 14
+  orderable_type: Product
+  orderable_id: 18
+  amount: 4000
+  quantity: 3
+  is_offered:
+  created_at: '2022-10-04 14:31:51.106853'
+  updated_at: '2022-10-04 14:31:54.194063'
+order_item_24:
+  id: 24
+  order_id: 15
+  orderable_type: Product
+  orderable_id: 17
+  amount: 3000
+  quantity: 1
+  is_offered:
+  created_at: '2022-10-04 14:35:29.003092'
+  updated_at: '2022-10-04 14:35:29.003092'
diff --git a/test/fixtures/orders.yml b/test/fixtures/orders.yml
new file mode 100644
index 000000000..e69de29bb
diff --git a/test/fixtures/product_categories.yml b/test/fixtures/product_categories.yml
new file mode 100644
index 000000000..e69de29bb
diff --git a/test/fixtures/product_stock_movements.yml b/test/fixtures/product_stock_movements.yml
new file mode 100644
index 000000000..e69de29bb
diff --git a/test/fixtures/products.yml b/test/fixtures/products.yml
new file mode 100644
index 000000000..e69de29bb