Havoc, fix Grafana range annotator, add more debug (#1624)

fix range Grafana annotator

Author: skudasov

book/src/framework/chaos/debug-k8s.md

@@ -8,7 +8,7 @@ cd infra/chaosmesh-playground
 devbox run up
 ```
 
-Overview the services
+Check the services
 ```
 devbox shell
 k9s

framework/examples/myproject/chaos/chaos_blockchain_evm_gas_test.go

@@ -65,6 +65,7 @@ func TestBlockchainGasChaos(t *testing.T) {
 		// hold
 		for i := 0; i < 10; i++ {
 			printBlockBaseFee(t, url)
+			time.Sleep(blockEvery)
 			t.Logf("Setting block base fee: %d", startGasPrice)
 			err := r.AnvilSetNextBlockBaseFeePerGas(startGasPrice)
 			require.NoError(t, err)