Change TestAddressBuilder to use new test structure
Change TestApplicationBuilder to new test structure
Change TestBusinessBuilder to new test structure
Change TestBankAccountBuilder to new test structure
Change TestContactBuilder to new test structure
Change TestContactBuilder to new test structure
Change TestCustomerBuilder to new test structure
Change TestProductBuilder to new test structure
Change TestShippingPointBuilder to new test structure
Change TestTaxBuilder to new test structure
Change TestSupplierBuilder to new test structure
Merge branch 'test-fix' into platypus-fix
Merge branch 'platypus-fix' of github.com:premium-minds/billy into platypus-fix
Update preambles