CLN does not complete test

[joostjager]

Currently CLN doesn't make it to the end of the test. One issue that I've seen often is that it can't get all gossip synced.

After waiting for several minutes, the test runner gives up:

testrunner_1                   | 2022-05-24T12:05:47.015Z	DEBUG	Syncing	{"edges": 136, "totalEdges": 148}
testrunner_1                   | 2022-05-24T12:05:48.036Z	DEBUG	Syncing	{"edges": 136, "totalEdges": 148}
testrunner_1                   | 2022-05-24T12:05:49.056Z	DEBUG	Syncing	{"edges": 136, "totalEdges": 148}
testrunner_1                   | 2022-05-24T12:05:50.078Z	DEBUG	Syncing	{"edges": 136, "totalEdges": 148}
testrunner_1                   | 2022-05-24T12:05:50.079Z	ERROR	Exiting	{"err": "too many errors: still waiting for edges"}

The last few edges aren't coming in. I also added a restart of CLN, but that doesn't fix it reliably either.

When the graph was still smaller, I've seen a full sync more often. However in those cases the payment couldn't be made after many attempts.