chain, tests/helper, vm: make tests compile

They were broken by df5603de0a, when vm.Log became ethstate.Log.

chain/bloom9_test.go

@@ -3,12 +3,14 @@ package chain
 import (
 	"testing"
 
-	"github.com/ethereum/go-ethereum/vm"
+	"github.com/ethereum/go-ethereum/state"
 )
 
 func TestBloom9(t *testing.T) {
 	testCase := []byte("testtest")
-	bin := LogsBloom([]vm.Log{vm.Log{testCase, [][]byte{[]byte("hellohello")}, nil}}).Bytes()
+	bin := LogsBloom([]state.Log{
+		{testCase, [][]byte{[]byte("hellohello")}, nil},
+	}).Bytes()
 	res := BloomLookup(bin, testCase)
 
 	if !res {