Adds 3 test cases covering: * Auto-configuration of SDG's MappingPdxSerializer. * Configuration of a custom, user-defined PdxSerializer applied by auto-configuration. * Overriding PDX auto-configuration with a manually specified PDX configuration.
Adds 3 test cases covering: * Auto-configuration of SDG's MappingPdxSerializer. * Configuration of a custom, user-defined PdxSerializer applied by auto-configuration. * Overriding PDX auto-configuration with a manually specified PDX configuration.