Use unique trace_id in testdata for composite span to facilitate testing

testdata/intake-v2/spans.ndjson

@@ -5,4 +5,4 @@
 {"span": {"trace_id": "abcdef0123456789abcdef9876543210", "parent_id": "ababcdcdefefabde", "id": "abcde56a89012345", "transaction_id": null, "name": "get /api/types",  "sync": false, "type": "request", "subtype": "http", "action": "call", "start": 0, "duration": 13.9802981, "stacktrace": null, "context": null }}
 {"span": {"trace_id": "abcdef0123456789abcdef9876543210", "parent_id": "abcdef0123456789", "id": "1234567890aaaade", "sync": true, "name": "SELECT FROM product_types", "type": "db.postgresql.query", "start": 2.83092, "duration": 3.781912, "stacktrace": [{ "filename": "net.js", "classname": "Core.js", "lineno": 547},{"filename": "file2.js", "lineno": 12, "post_context": [ "    ins.currentTransaction = prev", "}"]}, { "function": "onread", "abs_path": "net.js", "filename": "net.js", "lineno": 547, "library_frame": true, "vars": { "key": "value" }, "module": "some module", "colno": 4, "context_line": "line3", "pre_context": [ "  var trans = this.currentTransaction", "" ], "post_context": [ "    ins.currentTransaction = prev", "    return result"] }], "context": { "db": { "instance": "customers", "statement": "SELECT * FROM product_types WHERE user_id=?", "type": "sql", "user": "readonly_user", "link": "other.db.com", "rows_affected": 2}, "http": { "url": "http://localhost:8000", "status_code":200, "response":{"headers": { "content-type": null }, "status_code":200,"transfer_size":300.12,"encoded_body_size":356,"decoded_body_size":401}, "method": "GET" }, "destination": {"address": "0:0::0:1", "port": 5432, "service": {"type": "db", "name": "postgresql", "resource": "postgresql"}}, "service":{"name":"service1","agent":{"version":"2.2","name":"elastic-ruby", "ephemeral_id": "justanid"}}}}}
 {"span": {"trace_id": "fdedef0123456789abcdef9876543210", "parent_id": "abcdef0123456789", "id": "00xxx12312312312", "transaction_id": "01af25874dec69dd", "name": "Rabbitmq receive", "type": "messaging", "subtype": "JMS", "action": "receive", "duration": 141.581, "timestamp": 1532976822281000, "context": {"destination": {"address": "0:0::0:1"}, "message": {"queue": { "name": "new_users"}, "age":{"ms": 1577958057123}}}}}
-{"span": {"trace_id": "fdedef0123456789abcdef9876543210", "parent_id": "abcdef0123456789", "id": "abcdef01234567", "transaction_id": "01af25874dec69dd", "name": "SELECT FROM p_details", "type": "db.postgresql.query","start": 2.83092, "duration": 3.781912, "timestamp": 1625572685682272,"composite":{"count":10, "end": 1632976822290000,"exact_match": true},"outcome": "success"}}
+{"span": {"trace_id": "edcbaf0123456789abcdef9876543210", "parent_id": "abcdef0123456789", "id": "abcdef01234567", "transaction_id": "01af25874dec69dd", "name": "SELECT FROM p_details", "type": "db.postgresql.query","start": 2.83092, "duration": 3.781912, "timestamp": 1625572685682272,"composite":{"count":10, "end": 1632976822290000,"exact_match": true},"outcome": "success"}}