tests/vm: fix syntax

tests/vm/gh_test.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"testing"
 
-	"github.com/ethereum/eth-go/ethlog"
 	"github.com/ethereum/eth-go/ethstate"
 	"github.com/ethereum/eth-go/ethutil"
 	"github.com/ethereum/eth-go/tests/helper"
@@ -88,10 +87,6 @@ func RunVmTest(url string, t *testing.T) {
 }
 
 // I've created a new function for each tests so it's easier to identify where the problem lies if any of them fail.
-func TestVMSha3(t *testing.T) {
-	helper.Logger.SetLogLevel(ethlog.Silence)
-	defer helper.Logger.SetLogLevel(ethlog.DebugLevel)
-
 func TestVMArithmetic(t *testing.T) {
 	const url = "https://raw.githubusercontent.com/ethereum/tests/develop/vmtests/vmArithmeticTest.json"
 	RunVmTest(url, t)