Add integration tests

tests/WebApi.Tests.Integration/CarFaker.cs

@@ -0,0 +1,19 @@
+using Bogus;
+using Vegasco.WebApi.Cars;
+
+namespace WebApi.Tests.Integration;
+
+internal class CarFaker
+{
+	private readonly Faker _faker = new();
+
+	internal CreateCar.Request CreateCarRequest()
+	{
+		return new CreateCar.Request(_faker.Vehicle.Model());
+	}
+
+	internal UpdateCar.Request UpdateCarRequest()
+	{
+		return new UpdateCar.Request(_faker.Vehicle.Model());
+	}
+}