unable to submit txs in the e2e test

[evan-forbes]

The e2e test consistently fails in CI and locally. Locally, I see logs that indicate some txs failed to submit and the light client can't reach the tip. in CI, the seed node wasn't able to get to the tip.

E[2024-11-20|15:51:21.879] failed to send transaction                   err="post failed: Post \"[http://127.0.0.1:5705\](http://127.0.0.1:5705/)": EOF"
D[2024-11-20|15:51:21.879] load                                         success=0 failed=28 success/total="%!f(int=0)" tx/s=0.0
E[2024-11-20|15:51:22.879] failed to send transaction                   err="post failed: Post \"[http://127.0.0.1:5708\](http://127.0.0.1:5708/)": dial tcp 127.0.0.1:5708: connect: connection refused"
E[2024-11-20|15:51:22.879] failed to send transaction                   err="post failed: Post \"[http://127.0.0.1:5709\](http://127.0.0.1:5709/)": dial tcp 127.0.0.1:5709: connect: connection refused"
D[2024-11-20|15:51:22.879] load                                         success=0 failed=30 success/total="%!f(int=0)" tx/s=0.0
E[2024-11-20|15:51:23.880] failed to send transaction                   err="post failed: Post \"http://127.0.0.1:[57](https://github.com/celestiaorg/celestia-core/actions/runs/11936879030/job/33271545648?pr=1536#step:6:58)10\": dial tcp 127.0.0.1:5710: connect: connection refused"
E[2024-11-20|15:51:23.880] failed to send transaction                   err="post failed: Post \"http://127.0.0.1:5703\": dial tcp 127.0.0.1:5703: connect: connection refused"
D[2024-11-20|15:51:23.880] load                                         success=0 failed=32 success/total="%!f(int=0)" tx/s=0.0
E[2024-11-20|15:51:24.706] timed out waiting for seed01 to reach height 0