Revert "Fix test for Grails 3.0.x json format"

This reverts commit 35f6973.

Author: graemerocher

grails-plugin-converters/src/test/groovy/org/grails/web/converters/marshaller/json/DomainClassMarshallerSpec.groovy

@@ -41,8 +41,8 @@ class DomainClassMarshallerSpec extends Specification {
 
         where:
         authors                                                      | expectedJson                                                                                                                     | expectedXml
-        [new Author(id: 1, name: 'a'), new Author(id: 2, name: 'b')] | '{"class":"org.grails.web.converters.marshaller.json.Book","id":1,"authorsMap":{"a":{"class":"org.grails.web.converters.marshaller.json.Author","id":1,"name":"a"},"b":{"class":"org.grails.web.converters.marshaller.json.Author","id":2,"name":"b"}},"authorsSet":[{"class":"org.grails.web.converters.marshaller.json.Author","id":1,"name":"a"},{"class":"org.grails.web.converters.marshaller.json.Author","id":2,"name":"b"}]}' | '<?xml version="1.0" encoding="UTF-8"?><book id="1"><authorsMap><entry key="a" id="1"><name>a</name></entry><entry key="b" id="2"><name>b</name></entry></authorsMap><authorsSet><author id="1"><name>a</name></author><author id="2"><name>b</name></author></authorsSet></book>'
-        [new Author(id: 2, name: 'b'), new Author(id: 1, name: 'a')] | '{"class":"org.grails.web.converters.marshaller.json.Book","id":1,"authorsMap":{"b":{"class":"org.grails.web.converters.marshaller.json.Author","id":2,"name":"b"},"a":{"class":"org.grails.web.converters.marshaller.json.Author","id":1,"name":"a"}},"authorsSet":[{"class":"org.grails.web.converters.marshaller.json.Author","id":2,"name":"b"},{"class":"org.grails.web.converters.marshaller.json.Author","id":1,"name":"a"}]}' | '<?xml version="1.0" encoding="UTF-8"?><book id="1"><authorsMap><entry key="b" id="2"><name>b</name></entry><entry key="a" id="1"><name>a</name></entry></authorsMap><authorsSet><author id="2"><name>b</name></author><author id="1"><name>a</name></author></authorsSet></book>'
+        [new Author(id: 1, name: 'a'), new Author(id: 2, name: 'b')] | '{"id":1,"authorsMap":{"a":{"id":1,"name":"a"},"b":{"id":2,"name":"b"}},"authorsSet":[{"id":1,"name":"a"},{"id":2,"name":"b"}]}' | '<?xml version="1.0" encoding="UTF-8"?><book id="1"><authorsMap><entry key="a" id="1"><name>a</name></entry><entry key="b" id="2"><name>b</name></entry></authorsMap><authorsSet><author id="1"><name>a</name></author><author id="2"><name>b</name></author></authorsSet></book>'
+        [new Author(id: 2, name: 'b'), new Author(id: 1, name: 'a')] | '{"id":1,"authorsMap":{"b":{"id":2,"name":"b"},"a":{"id":1,"name":"a"}},"authorsSet":[{"id":2,"name":"b"},{"id":1,"name":"a"}]}' | '<?xml version="1.0" encoding="UTF-8"?><book id="1"><authorsMap><entry key="b" id="2"><name>b</name></entry><entry key="a" id="1"><name>a</name></entry></authorsMap><authorsSet><author id="2"><name>b</name></author><author id="1"><name>a</name></author></authorsSet></book>'
     }
 }