update imports order per goimports

compression/rle/read_write_test.go

 package rle
 
 import (
-	checker "gopkg.in/check.v1"
 	"testing"
+
+	checker "gopkg.in/check.v1"
 )
 
 func Test(t *testing.T) { checker.TestingT(t) }

ethutil/main_test.go

 package ethutil
 
 import (
-	checker "gopkg.in/check.v1"
 	"testing"
+
+	checker "gopkg.in/check.v1"
 )
 
 func Test(t *testing.T) { checker.TestingT(t) }

ethutil/value_test.go

 package ethutil
 
 import (
-	checker "gopkg.in/check.v1"
 	"math/big"
+
+	checker "gopkg.in/check.v1"
 )
 
 type ValueSuite struct{}

state/main_test.go

 package state
 
 import (
-	checker "gopkg.in/check.v1"
 	"testing"
+
+	checker "gopkg.in/check.v1"
 )
 
 func Test(t *testing.T) { checker.TestingT(t) }

trie/main_test.go

 package trie
 
 import (
-	checker "gopkg.in/check.v1"
 	"testing"
+
+	checker "gopkg.in/check.v1"
 )
 
 func Test(t *testing.T) { checker.TestingT(t) }

trie/trie_test.go

@@ -4,12 +4,13 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
-	checker "gopkg.in/check.v1"
 	"io/ioutil"
 	"math/rand"
 	"net/http"
 	"time"
 
+	checker "gopkg.in/check.v1"
+
 	"github.com/ethereum/go-ethereum/ethutil"
 )