Add Address, BankAccount and Contact YAML files. Modify AddressBuilder, BankAccountBuilder and ContactBuilder tests to use YAML files
Merge branch 'master' of github.com:premium-minds/billy
Add Customer YAML file and CustomerBuilder test incomplete
Merge branch 'master' of github.com:premium-minds/billy
Correct isNew type in BaseEntity mock. Correct ContextBuilder test.
Refactor Builders tests. Fix types in ShippingPoint, Supplier, Tax, Customer, CustomerBuilder and CustomerBuilder.
Add ProductBuilder Test and Product YAML file
Merge branch 'master' of github.com:premium-minds/billy
Fix types in ShippingPoint and Supplier builders.
Add ShippingPointBuilder and SupplierBuilder test. Add ShippingPoint and Supplier YAML files
Merge branch 'master' of github.com:premium-minds/billy
Add TaxBuilder Test and Tax YAML file
Add TaxBuilder Test and Tax YAML file
Solve NullPointerException in TaxBuilder and ProductBuilder tests.