func EqualsIgnoreHashes(tt *testing.T, expected, actual string) {
	if RemoveHashes(expected) != RemoveHashes(actual) {
		assert.Equal(tt, expected, actual)
	}
}
EqualsIgnoreHashes compares two strings, ignoring hashes in them.
package test
import (
	"regexp"
	"strconv"
	"strings"
	"testing"
	"github.com/attic-labs/noms/go/hash"
	"github.com/stretchr/testify/assert"
)
var pattern = regexp.MustCompile("([0-9a-v]{" + strconv.Itoa(hash.StringLen) + "})")