final String SOURCE1_SCHEMA_STR = "{\"name\":\"source1\",\"type\":\"record\",\"fields\":[{\"name\":\"s\",\"type\":\"string\"}]}";
final String SOURCE2_SCHEMA_STR = "{\"name\":\"source2\",\"type\":\"record\",\"fields\":[{\"name\":\"s\",\"type\":\"string\"}]}";;
final String SOURCE3_SCHEMA_STR = "{\"name\":\"source3\",\"type\":\"record\",\"fields\":[{\"name\":\"s\",\"type\":\"string\"}]}";;
l1.add(new RegisterResponseEntry(1L, (short)1,SOURCE1_SCHEMA_STR));
l2.add(new RegisterResponseEntry(2L, (short)1,SOURCE2_SCHEMA_STR));
l3.add(new RegisterResponseEntry(3L, (short)1,SOURCE3_SCHEMA_STR));
schemaMap.put(1L, l1);
schemaMap.put(2L, l2);
schemaMap.put(3L, l3);