fix(e2e): Reduce flakiness of TestGRPC_GetBlockResults (backport #2367) #2377
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The test is failing often due to the fact that it asks for the first block via RPC Status then waits to be notified about the latest height via gRPC and then requests block results at the first and last heights. If pruning is happening fast enough, there is a high chance the results will be pruned at the time of asking. This fix is not making the behaviour fully deterministic but increases the chances the block is still around because it sets the first height to be the last reported first height + retain blocks. <!-- Please add a reference to the issue that this PR addresses and indicate which files are most critical to review. If it fully addresses a particular issue, please include "Closes #XXX" (where "XXX" is the issue number). If this PR is non-trivial/large/complex, please ensure that you have either created an issue that the team's had a chance to respond to, or had some discussion with the team prior to submitting substantial pull requests. The team can be reached via GitHub Discussions or the Cosmos Network Discord server in the #cometbft channel. GitHub Discussions is preferred over Discord as it allows us to keep track of conversations topically. https://github.com/cometbft/cometbft/discussions If the work in this PR is not aligned with the team's current priorities, please be advised that it may take some time before it is merged - especially if it has not yet been discussed with the team. See the project board for the team's current priorities: https://github.com/orgs/cometbft/projects/1 --> --- #### PR checklist - [ ] Tests written/updated - [ ] Changelog entry added in `.changelog` (we use [unclog](https://github.com/informalsystems/unclog) to manage our changelog) - [ ] Updated relevant documentation (`docs/` or `spec/`) and code comments - [ ] Title follows the [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/) spec (cherry picked from commit 2c6e0c1)
jmalicevic
approved these changes
Feb 20, 2024
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This is an automatic backport of pull request #2367 done by Mergify.
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