Refactor booking and parking slot specs to simplify attribute handlin…

…g and ensure accurate test conditions

spec/requests/api/v1/bookings_spec.rb

@@ -15,11 +15,6 @@
 # sticking to rails and rspec-rails APIs to keep things simple and stable.
 
 RSpec.describe "/api/v1/bookings", type: :request do
-  # This should return the minimal set of attributes required to create a valid
-  # Booking. As you add validations to Booking, be sure to
-  # adjust the attributes here as well.
-  let(:valid_attributes) { { vehicle_type: VehicleType::TYPES[:small], plate_number: "ABC123" } }
-
   describe "GET /index" do
     before do
       create(:booking)
@@ -32,7 +27,7 @@
   end
 
   describe "GET /show" do
-    let!(:booking) { create(:booking, **valid_attributes) }
+    let!(:booking) { create(:booking, vehicle_type: :small) }
 
     before { get api_v1_booking_url(booking) }
 

spec/requests/api/v1/parking_slots_spec.rb

@@ -15,19 +15,16 @@
 # sticking to rails and rspec-rails APIs to keep things simple and stable.
 
 RSpec.describe "/api/v1/parking_slots", type: :request do
-  let!(:parking_lot) { create :parking_lot }
-
   describe "GET /index" do
     before do
-      ParkingSlot.destroy_all
-      create_pair(:parking_slot, parking_lot:)
+      create(:parking_lot, slots_count: 3)
       get api_v1_parking_slots_url
     end
 
     it "renders a successful response" do
       expect(response).to have_http_status(:success)
       parking_slots = response.parsed_body
-      expect(parking_slots.size).to eq(2)
+      expect(parking_slots.size).to eq(3)
     end
   end
 end