test: tweak E2E tests for nightly runs (#5512)

.github/workflows/e2e-nightly.yml

@@ -25,6 +25,7 @@ jobs:
 
       - name: Generate testnets
         working-directory: test/e2e
+        # When changing -g, also change the matrix groups above
         run: ./build/generator -g 4 -d networks/nightly
 
       - name: Run testnets in group ${{ matrix.group }}
@@ -38,6 +39,7 @@ jobs:
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
           SLACK_CHANNEL: tendermint-internal
           SLACK_USERNAME: Nightly E2E Test Failure
+          SLACK_ICON_EMOJI: ':skull:'
           SLACK_COLOR: danger
           SLACK_MESSAGE: Nightly E2E test failed (group ${{ matrix.group }})
           SLACK_FOOTER: ''

test/e2e/generator/generate.go

@@ -29,7 +29,8 @@ var (
 	nodeABCIProtocols    = uniformChoice{"unix", "tcp", "builtin"} // "grpc"
 	nodePrivvalProtocols = uniformChoice{"file", "unix", "tcp"}
 	// FIXME disabled v1 due to https://github.com/tendermint/tendermint/issues/5444
-	nodeFastSyncs         = uniformChoice{"", "v0", "v2"} // "v1"
+	// FIXME disabled v2 due to https://github.com/tendermint/tendermint/issues/5513
+	nodeFastSyncs         = uniformChoice{"", "v0"} // "v1", "v2"
 	nodeStateSyncs        = uniformChoice{false, true}
 	nodePersistIntervals  = uniformChoice{0, 1, 5}
 	nodeSnapshotIntervals = uniformChoice{0, 3}

test/e2e/runner/rpc.go

@@ -55,7 +55,7 @@ func waitForHeight(testnet *e2e.Testnet, height int64) (*types.Block, *types.Blo
 		if len(clients) == 0 {
 			return nil, nil, errors.New("unable to connect to any network nodes")
 		}
-		if time.Since(lastIncrease) >= 10*time.Second {
+		if time.Since(lastIncrease) >= 20*time.Second {
 			if maxResult == nil {
 				return nil, nil, errors.New("chain stalled at unknown height")
 			}