Self labels test keeps failing

[KevSlashNull]

The integration test for self-labelling keeps failing in CI.

Logs

See also https://github.com/strideynet/bsky-furry-feed/actions/runs/5916587573/job/16044028143?pr=148

    logger.go:130: 2023-08-20T09:31:13.476Z	ERROR	failed to handle repo commit	{"error": "create (at://did:plc:c1e1ee347119cd4f/app.bsky.feed.post/3k5exq62yqer): handling record create: handling app.bsky.feed.post create: creating post: executing CreateCandidatePost query: failed to encode args[6]: unable to encode &bsky.FeedPost{LexiconTypeID:\"app.bsky.feed.post\", CreatedAt:\"2023-08-20T09:31:13.386Z\", Embed:(*bsky.FeedPost_Embed)(nil), Entities:[]*bsky.FeedPost_Entity(nil), Facets:[]*bsky.RichtextFacet(nil), Labels:(*bsky.FeedPost_Labels)(0xc000584c90), Langs:[]string(nil), Reply:(*bsky.FeedPost_ReplyRef)(nil), Text:\"paws paws paws\"} into text format for jsonb (OID 3802): json: error calling MarshalJSON for type *bsky.FeedPost_Labels: cannot marshal empty enum"}

...

    ingester_test.go:280: 
        	Error Trace:	/home/runner/work/bsky-furry-feed/bsky-furry-feed/ingester/ingester_test.go:282
        	            				/opt/hostedtoolcache/go/1.21.0/x64/src/runtime/asm_amd64.s:1650
        	Error:      	Received unexpected error:
        	            	no rows in result set
    ingester_test.go:280: 
        	Error Trace:	/home/runner/work/bsky-furry-feed/bsky-furry-feed/ingester/ingester_test.go:280
        	Error:      	Condition never satisfied
        	Test:       	TestFirehoseIngester/waiting_for_posts/self_labels

[strideynet]

Caused by bluesky-social/indigo#281